Alert archive / Iowa / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 1, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 14, 1994, 10:27 PM CDT for Delaware County, Iowa. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Apr 14, 1994, 10:27 PM CDT (03:27 UTC)
- Expired
- Apr 14, 1994, 11:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Delaware County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 00:00Z, 3.5 hours before the alert went out and 320 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.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 14, 9:47 PM CDT, 40 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-150500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 945 PM CDT THU APR 14 1994 ...A TORNADO WATCH IS IN EFFECT FOR HENRY AND LEE COUNTIES IN IOWA... AT 945 PM...SCATTERED THUNDERSTORMS WERE DEVELOPING JUST SOUTH OF BURLINGTON AND OVER CEDAR COUNTY IN IOWA. THESE STORMS WERE MOVING NORTH AND NORTHEAST AT 40 MPH. THESE STORMS WILL BE INCREASING IN INTENSITY AND COVERAGE IN THE NEXT FEW HOURS. KEEP A WATCHFUL EYE TO THE SKY AND LISTEN TO LATER STATEMENTS ON NOAA WEATHER RADIO STATION WXJ-73 MOLINE...ILLINOIS OR YOUR FAVORITE RADIO OR TV STATION. J NOEL
Special weather statement, Apr 14, 10:14 PM CDT, 13 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-150400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 1010 PM CDT THU APR 14 1994 ...A TORNADO WATCH IS IN EFFECT FOR HENRY AND LEE COUNTIES IN IOWA... AT 1005 PM...A VERY STRONG THUNDERSTORM HAD DEVELOPED IN HENDERSON COUNTY ILLINOIS NEAR OQUAWKA. THIS STORM WAS MOVING NORTHEAST AT 50 MILES AN HOUR AND SHOULD MOVE INTO MERCER COUNTY IN THE NEXT 15 MINUTES. THIS STORM SHOULD REACH VIOLA ILLINOIS AROUND 1030 PM. THIS STORM WILL LIKELY CONTAIN STRONG WINDS TO 50 MPH...PEA-SIZED TO MARBLE-SIZED HAIL...AND HEAVY RAINS. NO STORMS WERE IN HENRY OR LEE COUNTIES IN IOWA YET BUT COULD DEVELOP AT ANY TIME. THE POTENTIAL FOR SEVERE WEfATHER REMAINS STRONG...SO STAY TUNED TO NOAA WEATHER RADIO...TV...OR OTHER RADIO STATIONS FOR FURTHER STATEMENTS OR WARNINGS. T MEYER
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 10:45 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 45 min |
| Apr 14, 10:51 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 24 min |
| Apr 14, 11:10 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 35 min |
| Apr 15, 12:09 AM CDT | Severe Thunderstorm Warning | DVN | Henry | 36 min |
| Apr 15, 12:16 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 29 min |
| Apr 15, 12:22 AM CDT | Severe Thunderstorm Warning | DVN | Delaware | 38 min |
| Apr 15, 12:33 AM CDT | Severe Thunderstorm Warning | DVN | Cedar | 42 min |
| Apr 15, 12:40 AM CDT | Severe Thunderstorm Warning | DVN | Louisa | 50 min |
| Apr 15, 12:49 AM CDT | Severe Thunderstorm Warning | DVN | Lee | 41 min |
| Apr 15, 1:00 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 30 min |
| Apr 15, 1:00 AM CDT | Severe Thunderstorm Warning | DVN | Muscatine | 30 min |
| Apr 15, 1:29 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 46 min |
| Apr 15, 2:15 AM CDT | Severe Thunderstorm Warning | DVN | Clinton | 60 min |
| Apr 15, 2:46 AM CDT | Severe Thunderstorm Warning | DVN | Scott | 59 min |
| Apr 14, 11:27 PM CDT | Severe Thunderstorm Warning | DVN | Jo Daviess | 33 min |
| Apr 15, 3:10 AM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 65 min |
| Apr 14, 11:18 PM CDT | Severe Thunderstorm Warning | DVN | Grant | 27 min |
| Apr 14, 11:47 PM CDT | Severe Thunderstorm Warning | DVN | Lafayette | 28 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.