Alert archive / Iowa / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 5, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Apr 14, 1994, 9:40 PM CDT for Grundy County, Iowa. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Apr 14, 1994, 9:40 PM CDT (02:40 UTC)
- Expired
- Apr 14, 1994, 10:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Grundy County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 2.7 hours before the alert went out and 280 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
- 2199 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 8:29 PM CDT | Severe Thunderstorm Warning | DMX | Taylor | 31 min |
| Apr 14, 8:34 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 41 min |
| Apr 14, 9:04 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Cass | 41 min |
| Apr 14, 9:39 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Marshall | 36 min |
| Apr 14, 9:44 PM CDT | Severe Thunderstorm Warning | DMX | Madison, Union | 31 min |
| Apr 14, 9:47 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Guthrie | 43 min |
| Apr 14, 9:55 PM CDT | Severe Thunderstorm Warning | DMX | Polk | 35 min |
| Apr 14, 10:08 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 52 min |
| Apr 14, 10:08 PM CDT | Tornado Warning | DMX | Adair | 37 min |
| Apr 14, 10:24 PM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 51 min |
| Apr 14, 10:26 PM CDT | Severe Thunderstorm Warning | DMX | Dallas, Polk | 34 min |
| Apr 14, 10:27 PM CDT | Severe Thunderstorm Warning | DMX | Tama | 48 min |
| Apr 14, 10:55 PM CDT | Severe Thunderstorm Warning | DMX | Story | 35 min |
| Apr 14, 11:03 PM CDT | Tornado Warning | DMX | Story | 27 min |
| Apr 14, 11:04 PM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 26 min |
| Apr 14, 11:23 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 19 min |
| Apr 14, 11:39 PM CDT | Severe Thunderstorm Warning | DMX | Grundy | 25 min |
| Apr 14, 11:47 PM CDT | Severe Thunderstorm Warning | DMX | Van Buren | 28 min |
| Apr 15, 12:09 AM CDT | Severe Thunderstorm Warning | DMX | Linn | 36 min |
| Apr 15, 12:10 AM CDT | Severe Thunderstorm Warning | DMX | Black Hawk | 21 min |
| Apr 15, 12:15 AM CDT | Severe Thunderstorm Warning | DMX | Buchanan | 29 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1994Every severe thunderstorm warning in 1994
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.