Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 64, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 10, 1993, 3:49 PM CDT for Clayton County, Delaware County, Iowa. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 10, 1993, 3:49 PM CDT (20:49 UTC)
- Expired
- Jul 10, 1993, 4:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Clayton County, IA, Delaware County, IA
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 8.8 hours before the alert went out and 303 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
- 12 J/kg
- Mixed-layer CIN
- -294 J/kg
- Mixed-layer LCL
- 1456 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 129 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, Jul 10, 3:25 PM CDT, 24 minutes before
ILZ004-IAZ078-088-089-099-102130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 325 PM CDT SAT JUL 10 1993 ...THUNDERSTORMS RUMBLING THROUGH CENTRAL AND NORTHEASTERN IOWA... THUNDERSTORMS WERE MOVING THROUGH NORTHEASTERN IOWA BACK ACROSS CENTRAL PARTS OF IOWA LATE THIS AFTERNOON. THE THUNDERSTORMS ARE MOVING TO THE EAST AT 30 MILES AN HOUR. THE THUNDERSTORMS THAT MAY BE AFFECTING THE TWO STATE REGION WERE NEAR THE DES MOINES IOWA AREA. AS THESE THUNDERSTORMS MOVED THROUGH NORTHWESTERN AND NORTH CENTRAL IOWA THEY PRODUCED HIGH WINDS AND HEAVY RAIN. IF THESE THUNDERSTORMS CONTINUE THEIR CURRENT TRACK AND DO NOT DISSIPATE THEY WILL BE MOVING INTO THE NORTHWESTERN PARTS OF THE TWO STATE REGION BETWEEN 6 AND 7 PM. IF THESE THUNDERSTORMS DO MOVE INTO THE TWO STATE REGION...PEOPLE SHOULD BE ON THE LOOK OUT FOR STRONG GUSTY WINDS AND HEAVY RAIN. THUNDERSTORMS WILL BE IN THE FORECAST FROM NOW THOROUGH SUNDAY...SO KEEP AN EYE TO THE SKY AND KEEP ABREAST OF THE LATEST WEATHER CONDITIONS. GOEHRING
Special weather statement, Jul 10, 3:26 PM CDT, 23 minutes before
ILZ004-IAZ078-088-089-099-102130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 325 PM CDT SAT JUL 10 1993 ...THUNDERSTORMS RUMBLING THROUGH CENTRAL AND NORTHEASTERN IOWA... THUNDERSTORMS WERE MOVING THROUGH NORTHEASTERN IOWA BACK ACROSS CENTRAL PARTS OF IOWA LATE THIS AFTERNOON. THE THUNDERSTORMS ARE MOVING TO THE EAST AT 30 MILES AN HOUR. THE THUNDERSTORMS THAT MAY BE AFFECTING THE TWO STATE REGION WERE NEAR THE DES MOINES IOWA AREA. AS THESE THUNDERSTORMS MOVED THROUGH NORTHWESTERN AND NORTH CENTRAL IOWA THEY PRODUCED HIGH WINDS AND HEAVY RAIN. IF THESE THUNDERSTORMS CONTINUE THEIR CURRENT TRACK AND DO NOT DISSIPATE THEY WILL BE MOVING INTO THE NORTHWESTERN PARTS OF THE TWO STATE REGION BETWEEN 6 AND 7 PM. IF THESE THUNDERSTORMS DO MOVE INTO THE TWO STATE REGION...PEOPLE SHOULD BE ON THE LOOK OUT FOR STRONG GUSTY WINDS AND HEAVY RAIN. THUNDERSTORMS WILL BE IN THE FORECAST FROM NOW THOROUGH SUNDAY...SO KEEP AN EYE TO THE SKY AND KEEP ABREAST OF THE LATEST WEATHER CONDITIONS. GOEHRING
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 3:21 AM CDT | Severe Thunderstorm Warning | DVN | Louisa | 54 min |
| Jul 10, 4:20 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque, Jones | 55 min |
| Jul 10, 6:03 PM CDT | Severe Thunderstorm Warning | DVN | Louisa, Muscatine | 57 min |
| Jul 10, 6:25 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 65 min |
| Jul 10, 6:25 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Mercer, Rock Island | 65 min |
| Jul 10, 4:44 PM CDT | Tornado Warning | DVN | Grant, Lafayette | 46 min |
| Jul 10, 5:06 PM CDT | Tornado Warning | DVN | Lafayette | 54 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1993Every severe thunderstorm warning in 1993
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.