Alert archive / Iowa / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 95, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at May 25, 2012, 3:39 PM CDT for Decatur County, Ringgold County, Iowa. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 25, 2012, 3:39 PM CDT (20:39 UTC)
- Expired
- May 25, 2012, 4:18 PM CDT
- In force
- 39 min
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 50.0 mph
Counties Decatur County, IA, Ringgold County, IA
The radar
The Des Moines radar (KDMX), 119 km from the middle of the area, began a volume at 20:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 8.7 hours before the alert went out and 222 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1424 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
356 WUUS53 KDMX 252039 SVRDMX IAC053-159-252130- /O.NEW.KDMX.SV.W.0095.120525T2039Z-120525T2130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DES MOINES IA 339 PM CDT FRI MAY 25 2012 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN DECATUR COUNTY IN SOUTH CENTRAL IOWA... SOUTHEASTERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA... * UNTIL 430 PM CDT * AT 336 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. THIS STORM WAS LOCATED 8 MILES WEST OF LAMONI...AND MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... LAMONI...LEON...LAMONI AIRPORT...DAVIS CITY AND PLEASANTON. THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 1 AND 13. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE HAIL CAN CAUSE INJURY AND PROPERTY DAMAGE. SEEK SAFETY INDOORS UNTIL THE STORM PASSES. && LAT...LON 4070 9407 4079 9356 4058 9356 4057 9408 TIME...MOT...LOC 2039Z 259DEG 37KT 4059 9405 WIND...HAIL <50MPH 1.75IN $$ BEERENDS
3 follow-up statements
859
WWUS53 KDMX 252047
SVSDMX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
347 PM CDT FRI MAY 25 2012
IAC159-252058-
/O.CAN.KDMX.SV.W.0095.000000T0000Z-120525T2130Z/
RINGGOLD IA-
347 PM CDT FRI MAY 25 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RINGGOLD COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4063 9402 4071 9401 4079 9356 4058 9356
4057 9402
TIME...MOT...LOC 2048Z 259DEG 37KT 4061 9393
$$
IAC053-252130-
/O.CON.KDMX.SV.W.0095.000000T0000Z-120525T2130Z/
DECATUR IA-
347 PM CDT FRI MAY 25 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
DECATUR COUNTY UNTIL 430 PM CDT...
AT 344 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL. THIS
STORM WAS LOCATED NEAR LAMONI...MOVING EAST AT 45 MPH.
LOCATIONS IMPACTED INCLUDE...
LEON...LAMONI AIRPORT...DAVIS CITY AND PLEASANTON.
THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 1 AND 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE
OUTSIDE SHOULD MOVE TO A REINFORCED BUILDING AND AWAY FROM WINDOWS.
&&
LAT...LON 4063 9402 4071 9401 4079 9356 4058 9356
4057 9402
TIME...MOT...LOC 2048Z 259DEG 37KT 4061 9393
WIND...HAIL <50MPH 1.75IN
$$
BEERENDS974 WWUS53 KDMX 252108 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 408 PM CDT FRI MAY 25 2012 IAC053-252130- /O.CON.KDMX.SV.W.0095.000000T0000Z-120525T2130Z/ DECATUR IA- 408 PM CDT FRI MAY 25 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN DECATUR COUNTY UNTIL 430 PM CDT... AT 405 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 7 MILES SOUTH OF LEON...OR 12 MILES EAST OF LAMONI...MOVING EAST AT 45 MPH. LOCATIONS IMPACTED INCLUDE... MAINLY RURAL AREAS OF SOUTHEASTERN DECATUR COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PREPARE FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A REINFORCED BUILDING AND AWAY FROM WINDOWS. && LAT...LON 4058 9377 4071 9378 4079 9356 4058 9356 TIME...MOT...LOC 2109Z 259DEG 37KT 4065 9365 WIND...HAIL <50MPH 1.00IN $$ BEERENDS
778 WWUS53 KDMX 252118 SVSDMX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 418 PM CDT FRI MAY 25 2012 IAC053-252128- /O.CAN.KDMX.SV.W.0095.000000T0000Z-120525T2130Z/ DECATUR IA- 418 PM CDT FRI MAY 25 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DECATUR COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 4058 9377 4071 9378 4079 9356 4058 9356 TIME...MOT...LOC 2118Z 259DEG 37KT 4067 9353 $$ BEERENDS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 3:05 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 43 min |
| May 25, 4:23 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Wayne | 27 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.