Alert archive / Iowa / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at May 7, 2015, 3:29 PM CDT for Des Moines County, Henry County, Lee County, Iowa. It was in force for 46 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 7, 2015, 3:29 PM CDT (20:29 UTC)
- Expired
- May 7, 2015, 4:15 PM CDT
- In force
- 46 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Des Moines County, IA, Henry County, IA, Lee County, IA
The radar
The Quad Cities radar (KDVN), 98 km from the middle of the area, began a volume at 20:31 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
Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 103 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
- 1777 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
247
WUUS53 KDVN 072029
SVRDVN
IAC057-087-111-072115-
/O.NEW.KDVN.SV.W.0021.150507T2029Z-150507T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
329 PM CDT THU MAY 7 2015
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DES MOINES COUNTY IN SOUTHEASTERN IOWA... NORTHERN LEE COUNTY IN
SOUTHEASTERN IOWA... EASTERN HENRY COUNTY IN SOUTHEASTERN IOWA...
* UNTIL 415 PM CDT
* AT 328 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER LOWELL...OR
11 MILES SOUTHEAST OF MOUNT PLEASANT...MOVING NORTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
BURLINGTON...MOUNT PLEASANT...WEST BURLINGTON...NEW LONDON...
MEDIAPOLIS...WEST POINT...DANVILLE...MIDDLETOWN...ST. PAUL...MOUNT
UNION...LOWELL...DENMARK...KOSSUTH...MOUNT PLEASANT MUNICIPAL
ARPT...GEODE STATE PARK...BEAVERDALE...GARLAND...NORTHFIELD...
DODGEVILLE AND PRAIRIE GROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4069 9141 4083 9160 4110 9148 4110 9137
4108 9137 4107 9136 4107 9108 4088 9104
TIME...MOT...LOC 2028Z 216DEG 30KT 4082 9144
HAIL...<.75IN
WIND...60MPH
$$
GIBBS2 follow-up statements
536
WWUS53 KDVN 072047
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
347 PM CDT THU MAY 7 2015
IAC111-072056-
/O.CAN.KDVN.SV.W.0021.000000T0000Z-150507T2115Z/
LEE IA-
347 PM CDT THU MAY 7 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LEE COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4077 9131 4079 9135 4079 9136 4090 9153
4110 9148 4110 9137 4108 9137 4107 9136
4107 9108 4088 9104 4077 9129
TIME...MOT...LOC 2046Z 216DEG 30KT 4094 9132
$$
IAC057-087-072115-
/O.CON.KDVN.SV.W.0021.000000T0000Z-150507T2115Z/
DES MOINES IA-HENRY IA-
347 PM CDT THU MAY 7 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR DES MOINES AND EASTERN HENRY COUNTIES...
AT 346 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NEW LONDON...
OR 11 MILES EAST OF MOUNT PLEASANT...MOVING NORTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
BURLINGTON...MOUNT PLEASANT...WEST BURLINGTON...NEW LONDON...
MEDIAPOLIS...DANVILLE...MIDDLETOWN...MOUNT UNION...KOSSUTH...MOUNT
PLEASANT MUNICIPAL ARPT...GEODE STATE PARK...BEAVERDALE...GARLAND...
NORTHFIELD...DODGEVILLE...PRAIRIE GROVE...PLEASANT GROVE...YARMOUTH
AND SPERRY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4077 9131 4079 9135 4079 9136 4090 9153
4110 9148 4110 9137 4108 9137 4107 9136
4107 9108 4088 9104 4077 9129
TIME...MOT...LOC 2046Z 216DEG 30KT 4094 9132
HAIL...<.75IN
WIND...60MPH
$$
GIBBS562
WWUS53 KDVN 072105
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
405 PM CDT THU MAY 7 2015
IAC057-087-072115-
/O.EXP.KDVN.SV.W.0021.000000T0000Z-150507T2115Z/
DES MOINES IA-HENRY IA-
405 PM CDT THU MAY 7 2015
...THE SEVERE THUNDERSTORM WARNING FOR DES MOINES AND EASTERN HENRY
COUNTIES WILL EXPIRE AT 415 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4077 9131 4079 9135 4079 9136 4090 9153
4110 9148 4110 9137 4108 9137 4107 9136
4107 9108 4088 9104 4077 9129
TIME...MOT...LOC 2103Z 216DEG 30KT 4094 9132
$$
GIBBSThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 1:57 PM CDT | Special Weather Statement | DVN | Lee, Van Buren | 48 min |
| May 7, 2:57 PM CDT | Special Weather Statement | DVN | Keokuk | 33 min |
| May 7, 3:05 PM CDT | Severe Thunderstorm Warning | DVN | Keokuk | 40 min |
| May 7, 3:18 PM CDT | Special Weather Statement | DVN | Van Buren | 42 min |
| May 7, 3:24 PM CDT | Special Weather Statement | DVN | Des Moines, Henry, Lee | 36 min |
| May 7, 3:43 PM CDT | Special Weather Statement | DVN | Benton, Buchanan, Iowa, Johnson, Linn | 47 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 2015Every severe thunderstorm warning in 2015
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.