Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 13, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 13, 1993, 9:56 PM CDT for Cedar County, Iowa. It was in force for 34 min.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1993, 9:56 PM CDT (02:56 UTC)
- Expired
- Jun 13, 1993, 10:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Cedar County, IA
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.9 hours before the alert went out and 389 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
- 357 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 848 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS1 KMLI 140256
SVRDVN
IAC031-140330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOLINE IL
956 PM CDT SUN JUN 13 1993
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE EXTREME EAST PART OF IOWA
NORTHERN CEDAR
AT 950 PM A SEVERE THUNDERSTORM WAS REPORTED BETWEEN MECHANICVILLE
AND STANWOOD IN CEDAR COUNTY. SHERIFF/S DEPUTIES REPORTED 60 TO
70 MPH WINDS JUST EAST OF MECHANICSIVILLE.
SOME CITIES/TOWNS IN THE PATH OF THIS STORM INCLUDE... CLARENCE AND
LOWDEN.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE
STORM HAS PASSED.
IF TIME PERMITS...ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR REPORT OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.
DICKEY/LAGUEWhat 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, Jun 13, 8:15 PM CDT, 1 hour 41 minutes before
ILZ004-IAZ078-088-089-099-140230- SPECIAL WEATHER STATEMENT AND SHORT RANGE FORECAST NATIONAL WEATHER SERVICE MOLINE IL 815 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS CONTINUE TO ADVANCE TOWARD THE BISTATE... SHOWERS AND THUNDERSTORMS COVERED MOST OF NORTHEAST DOWN THROUGH SOUTH CENTRAL IOWA AT 8 PM. SOME INTENSE THUNDERSTORMS EMBEDDED IN THIS AREA WERE FROM 50 MILES NORTHEAST TO 25 MILES EAST OF DES MOINES. THE LEADING EDGE OF THE OVERALL AREA OF PRECIPTATION WAS FROM 10 MILES WEST OF DUBUQUE DOWN THROUGH CEDAR RAPIDS TO OTTUMWA. SHOWERS WILL BE SPREADING INTO THE NORTH AND WEST PARTS OF CEDAR COUNTY IOWA REACHING TIPTON BY AROUND 9 PM...AND ACROSS MUSCATINE COUNTY TO THE TOWN OF MUSCATINE BY AROUND 10 PM. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD ACROSS CLINTON...LOUISA AND SCOTT COUNTIES REACHING THE QUAD CITIES AREA BY AROUND 1030 PM. THE STRONGEST STORMS WILL BE MOVING ACROSS MUSCATINE AND QUAD CITIES AREA BETWEEN 11 PM AND 1 AM. THOSE STRONGEST STORMS HAVE BEEN PRODUCING TORRENTIAL RAIN...WIND GUSTS TO 50 MILES AN HOUR...FREQUENT LIGHTNING AND PEA TO MARBLE SIZE HAIL AS THEY/VE MOVE ACROSS CENTRAL IOWA. THE STORMS AND SHOWERS WERE MOVING EAST AT 20 TO 25 MILES AN HOUR. DICKEY WWUS35KTBW ,
Special weather statement, Jun 13, 8:31 PM CDT, 1 hour 25 minutes before
ILZ004-IAZ078-088-089-099-140230- SPECIAL WEATHER STATEMENT AND SHORT RANGE FORECAST NATIONAL WEATHER SERVICE MOLINE IL 815 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS CONTINUE TO ADVANCE TOWARD THE BISTATE... SHOWERS AND THUNDERSTORMS COVERED MOST OF NORTHEAST DOWN THROUGH SOUTH CENTRAL IOWA AT 8 PM. SOME INTENSE THUNDERSTORMS EMBEDDED IN THIS AREA WERE FROM 50 MILES NORTHEAST TO 25 MILES EAST OF DES MOINES. THE LEADING EDGE OF THE OVERALL AREA OF PRECIPTATION WAS FROM 10 MILES WEST OF DUBUQUE DOWN THROUGH CEDAR RAPIDS TO OTTUMWA. SHOWERS WILL BE SPREADING INTO THE NORTH AND WEST PARTS OF CEDAR COUNTY IOWA REACHING TIPTON BY AROUND 9 PM...AND ACROSS MUSCATINE COUNTY TO THE TOWN OF MUSCATINE BY AROUND 10 PM. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD ACROSS CLINTON...LOUISA AND SCOTT COUNTIES REACHING THE QUAD CITIES AREA BY AROUND 1030 PM. THE STRONGEST STORMS WILL BE MOVING ACROSS MUSCATINE AND QUAD CITIES AREA BETWEEN 11 PM AND 1 AM. THOSE STRONGEST STORMS HAVE BEEN PRODUCING TORRENTIAL RAIN...WIND GUSTS TO 50 MILES AN HOUR...FREQUENT LIGHTNING AND PEA TO MARBLE SIZE HAIL AS THEY/VE MOVE ACROSS CENTRAL IOWA. THE STORMS AND SHOWERS WERE MOVING EAST AT 20 TO 25 MILES AN HOUR. DICKEY
Special weather statement, Jun 13, 8:52 PM CDT, 1 hour 4 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 852 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS ARE MOVING INTO GRANT COUNTY WISCONSIN... AT 850 PM CDT...THUNDERSTORMS WERE LOCATED FROM OVER THE CITY OF ROBINSON IN DELAWARE COUNTY NORTHEAST TO GUTTENBURG IN CLAYTON COUNTY. THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND MAY PRODUCE STRONG WINDS...SMALL HAIL...BRIEF HEAVY RAINS AND DEADLY LIGHTNING. SOME CITIES THAT MAY BE AFFECTED BY THESE STORMS ARE...MANCHESTER AND PETERSBURG IN DELAWARE COUNTY...GUTTENBURG IN CLAYTON COUNTY AND GLEN HAVEN AND LANCASTER IN GRANT COUNTY. A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR DELAWARE...DUBUQUE...AND JONES COUNTIES UNTIL MIDNIGHT TONIGHT. MOVE INDOORS AS THESE STORMS APPROACH AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THESE STORMS BECOME SEVERE. DEROY NNNN
Special weather statement, Jun 13, 8:52 PM CDT, 1 hour 4 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 852 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS ARE MOVING INTO GRANT COUNTY WISCONSIN... AT 850 PM CDT...THUNDERSTORMS WERE LOCATED FROM OVER THE CITY OF ROBINSON IN DELAWARE COUNTY NORTHEAST TO GUTTENBURG IN CLAYTON COUNTY. THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR AND MAY PRODUCE STRONG WINDS...SMALL HAIL...BRIEF HEAVY RAINS AND DEADLY LIGHTNING. SOME CITIES THAT MAY BE AFFECTED BY THESE STORMS ARE...MANCHESTER AND PETERSBURG IN DELAWARE COUNTY...GUTTENBURG IN CLAYTON COUNTY AND GLEN HAVEN AND LANCASTER IN GRANT COUNTY. A TORNADO WATCH IS IN EFFECT UNTIL MIDNIGHT TONIGHT FOR DELAWARE...DUBUQUE...AND JONES COUNTIES UNTIL MIDNIGHT TONIGHT. MOVE INDOORS AS THESE STORMS APPROACH AND BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THESE STORMS BECOME SEVERE. DEROY NNNN
Special weather statement, Jun 13, 9:00 PM CDT, 56 minutes before
ILZ004-IAZ078-088-089-099-140330- SPECIAL WEATHER STATEMENT AND SHORT RANGE FORECAST NATIONAL WEATHER SERVICE MOLINE IL 900 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS DEVELOP/MOVE INTO THE NORTHERN BISTATE... SHOWERS AND THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER CEDAR COUNTY IOWA...AND ALONG THE MISSISSIPPI IN EASTERN CLINTON COUNTY IOWA AND NORTHERN ROCK ISLAND AND WEST WHITESIDE COUNTIES IN ILLINOIS BETWEEN 830 AND 9 PM. THE STRONGEST THUNDERSTORM IN THESE AREAS WAS JUST NORTH OF ERIE IN WESTERN WHITESIDE COUNTY. STRONG GUSTY...HEAVY RAIN...FREQUENT LIGHTNING AND POSSIBLE HAIL WILL ACCOMPANY THIS STORM AS IT MOVES EAST ACROSS WHITESIDE COUNTY. DICKEY
Special weather statement, Jun 13, 9:09 PM CDT, 47 minutes before
ILZ004-IAZ078-088-089-099-140330- SPECIAL WEATHER STATEMENT AND SHORT RANGE FORECAST NATIONAL WEATHER SERVICE MOLINE IL 900 PM CDT SUN JUN 13 1993 ...THUNDERSTORMS DEVELOP/MOVE INTO THE NORTHERN BISTATE... SHOWERS AND THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER CEDAR COUNTY IOWA...AND ALONG THE MISSISSIPPI IN EASTERN CLINTON COUNTY IOWA AND NORTHERN ROCK ISLAND AND WEST WHITESIDE COUNTIES IN ILLINOIS BETWEEN 830 AND 9 PM. THE STRONGEST THUNDERS<TORM IN THESE AREAS WAS JUST NORTH OF ERIE IN WESTERN WHITESIDE COUNTY. STRONG GUSTY...HEAVY RAIN...FREQUENT LIGHTNING AND POSSIBLE HAIL WILL ACCOMPANY THIS STORM AS IT MOVES EAST ACROSS WHITESIDE COUNTY. DICKEY
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 9:59 PM CDT | Tornado Warning | DVN | Jones | 31 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.