Storm Prediction Center Severe Thunderstorm Watch 296
narcolepticnerdMay 19, 20250 comments
Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended. Note: Click for Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 296
NWS Storm Prediction Center Norman OK
345 PM CDT Mon May 19 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern Iowa
Northern Missouri
* Effective this Monday afternoon and evening from 345 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter likely
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Strong to severe thunderstorms over northern Missouri will
spread northward across the watch this afternoon and evening. The
strongest storms will pose a risk of large hail.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 65 miles west northwest
of Lamoni IA to 25 miles south of Ottumwa IA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 292...WW 293...WW
294...WW 295...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
22030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 296 SEVERE TSTM IA MO 192045Z - 200300Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
65WNW LWD/LAMONI IA/ - 25S OTM/OTTUMWA IA/
..AVIATION COORDS.. 45NM N/S /32ESE OVR - 36N IRK/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 22030.
LAT...LON 41699508 41469245 40009245 40249508
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 296 Status Report Messages:
STATUS REPORT #5 ON WW 296
VALID 200235Z - 200340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 N STJ TO
30 NNW LWD TO 35 N OTM.
..BROYLES..05/20/25
ATTN...WFO...DMX...EAX...
&&
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC007-039-051-053-117-123-125-135-159-179-185-200340-
IA
. IOWA COUNTIES INCLUDED ARE
APPANOOSE CLARKE DAVIS
DECATUR LUCAS MAHASKA
MARION MONROE RINGGOLD
WAPELLO WAYNE
$$
MOC001-041-053-079-081-089-115-121-129-171-175-197-211-200340-
MO
. MISSOURI COUNTIES INCLUDED ARE
ADAIR CHARITON COOPER
GRUNDY HARRISON HOWARD
LINN MACON MERCER
PUTNAM RANDOLPH SCHUYLER
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 296
VALID 200045Z - 200140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/20/25
ATTN...WFO...DMX...EAX...
&&
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-117-121-123-125-135-159-173-175-
179-181-185-200140-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR LUCAS MADISON
MAHASKA MARION MONROE
RINGGOLD TAYLOR UNION
WAPELLO WARREN WAYNE
$$
MOC001-041-079-081-115-121-129-171-197-211-200140-
MO
. MISSOURI COUNTIES INCLUDED ARE
ADAIR CHARITON GRUNDY
HARRISON LINN MACON
MERCER PUTNAM SCHUYLER
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 296
VALID 192350Z - 200040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/19/25
ATTN...WFO...DMX...EAX...
&&
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-117-121-123-125-135-159-173-175-
179-181-185-200040-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR LUCAS MADISON
MAHASKA MARION MONROE
RINGGOLD TAYLOR UNION
WAPELLO WARREN WAYNE
$$
MOC001-041-079-081-115-121-129-171-197-211-200040-
MO
. MISSOURI COUNTIES INCLUDED ARE
ADAIR CHARITON GRUNDY
HARRISON LINN MACON
MERCER PUTNAM SCHUYLER
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 296
VALID 192240Z - 192340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/19/25
ATTN...WFO...DMX...EAX...
&&
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-117-121-123-125-135-159-173-175-
179-181-185-192340-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR LUCAS MADISON
MAHASKA MARION MONROE
RINGGOLD TAYLOR UNION
WAPELLO WARREN WAYNE
$$
MOC001-041-079-081-115-121-129-171-197-211-192340-
MO
. MISSOURI COUNTIES INCLUDED ARE
ADAIR CHARITON GRUNDY
HARRISON LINN MACON
MERCER PUTNAM SCHUYLER
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 296
VALID 192130Z - 192240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..BROYLES..05/19/25
ATTN...WFO...DMX...EAX...
&&
STATUS REPORT FOR WS 296
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
IAC001-003-007-029-039-051-053-117-121-123-125-135-159-173-175-
179-181-185-192240-
IA
. IOWA COUNTIES INCLUDED ARE
ADAIR ADAMS APPANOOSE
CASS CLARKE DAVIS
DECATUR LUCAS MADISON
MAHASKA MARION MONROE
RINGGOLD TAYLOR UNION
WAPELLO WARREN WAYNE
$$
MOC001-041-079-081-115-121-129-171-197-211-192240-
MO
. MISSOURI COUNTIES INCLUDED ARE
ADAIR CHARITON GRUNDY
HARRISON LINN MACON
MERCER PUTNAM SCHUYLER
SULLIVAN
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Probability of 1 or more strong (EF2-EF5) tornadoes
Low (5%)
Wind
Probability of 10 or more severe wind events
Mod (50%)
Probability of 1 or more wind events > 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (60%)
Probability of 1 or more hailstones > 2 inches
Mod (60%)
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
High (90%)
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The “Low” category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
“Moderate” from 30% to 60%, and “High” from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.