Alert archive / Illinois / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 10, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 8, 1993, 6:48 PM CDT for Des Moines County, Iowa; Mercer County, Rock Island County, Illinois. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 8, 1993, 6:48 PM CDT (23:48 UTC)
- Expired
- Jun 8, 1993, 7:30 PM CDT
- In force
- 42 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Des Moines County, IA, Mercer County, IL, Rock Island County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.8 hours before the alert went out and 427 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
- 750 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 168 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, Jun 8, 5:50 PM CDT, 58 minutes before
ILZ004-IAZ078-088-089-099-090000- SPECIAL WEATHER STATEMENT...CORRECTION TO HEADER NATIONAL WEATHER SERVICE MOLINE IL 550 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR LOUISA...HENRY...DES MOINES...AND LEE COUNTIES IN IOWA UNTIL 9 PM... ...A TORNADO WATCH IS IN EFFECT FOR CEDAR...CLINTON...MUSCATINE...AND SCOTT COUNTIES IN IOWA AND HENRY...MERCER...ROCK ISLAND...AND WHITESIDE COUNTIES IN ILLINOIS UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE BISTATE AREA TONIGHT... AT 545 PM CDT...INTENSE THUNDERSTORMS WERE MOVING THROUGH SOUTERN ROCK ISLAND AND WESTERN HENRY COUNTIES IN ILLINOIS...IN A LINE FROM MOLINE ILLINOIS TO ALEDO ILLINOI. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS AND SMALL HAIL AS THEY MOVE NORTHEAST AT 40 MILES AN HOUR. THEY WILL MOVE THROUGH THROUGH CAMBRIDGE...ATKINSON...AND GENESEO BEFORE 600 PM CDT. OTHER STRONG STORMS WERE LOCATED IN WASHINGTON COUNTY IOWA...OR 60 MILES WEST OF THE QUAD CITIES...AND WILL MOVE THROUGH SOUTHEASTERN JOHNSON COUNTY IOWA AND INTO NORTHWESTERN LOUISA...WESTERN MUSCATINE... AND SOUTHERN CEDAR COUNTIES IN IOWA AROUND 615 PM CDT. OTHER STRONG STORMS WERE LOCATED IN NORTHERN JEFFERSON AND SOUTHERN KEOKUK COUNTIES IN IOWA AND WILL FOLLOW THE OTHER STRONG STORMS INTO WESTERN MUSCATINE COUNTY IOWA BY 630 PM CDT. A TORNADO WATCH REMAINS IN EFFECT FOR THE ENTIRE BISTATE. WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF NECESSARY. T MEYER
Special weather statement, Jun 8, 5:51 PM CDT, 57 minutes before
ILZ004-IAZ078-088-089-099-090000- SPECIAL WEATHER STATEMENT...CORRECTION TO HEADER NATIONAL WEATHER SERVICE MOLINE IL 550 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR LOUISA...HENRY...DES MOINES...AND LEE COUNTIES IN IOWA UNTIL 9 PM... ...A TORNADO WATCH IS IN EFFECT FOR CEDAR...CLINTON...MUSCATINE...AND SCOTT COUNTIES IN IOWA AND HENRY...MERCER...ROCK ISLAND...AND WHITESIDE COUNTIES IN ILLINOIS UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE BISTATE AREA TONIGHT... AT 545 PM CDT...INTENSE THUNDERSTORMS WERE MOVING THROUGH SOUTERN ROCK ISLAND AND WESTERN HENRY COUNTIES IN ILLINOIS...IN A LINE FROM MOLINE ILLINOIS TO ALEDO ILLINOI. THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS AND SMALL HAIL AS THEY MOVE NORTHEAST AT 40 MILES AN HOUR. THEY WILL MOVE THROUGH THROUGH CAMBRIDGE...ATKINSON...AND GENESEO BEFORE 600 PM CDT. OTHER STRONG STORMS WERE LOCATED IN WASHINGTON COUNTY IOWA...OR 60 MILES WEST OF THE QUAD CITIES...AND WILL MOVE THROUGH SOUTHEASTERN JOHNSON COUNTY IOWA AND INTO NORTHWESTERN LOUISA...WESTERN MUSCATINE... AND SOUTHERN CEDAR COUNTIES IN IOWA AROUND 615 PM CDT. OTHER STRONG STORMS WERE LOCATED IN NORTHERN JEFFERSON AND SOUTHERN KEOKUK COUNTIES IN IOWA AND WILL FOLLOW THE OTHER STRONG STORMS INTO WESTERN MUSCATINE COUNTY IOWA BY 630 PM CDT. A TORNADO WATCH REMAINS IN EFFECT FOR THE ENTIRE BISTATE. WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO TAKE SHELTER IF NECESSARY. T MEYER
Special weather statement, Jun 8, 6:04 PM CDT, 44 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 604 PM CDT TUE JUN 8 1993 ...SHOWERS AND STORMS WERE MOVING TOWARD THE TRI-STATE... AT 600 PM CDT...A SMALL AREA OF RAINSHOWERS WERE OVER THE CITY OF MONONA IN CLAYTON COUNTY 45 MILES TO THE NORTHWEST OF DUBUQUE...OTHERWISE NO PRECIPITATION WAS INDICATED IN THE TRI-STATES. RADAR INDICATED A LARGE AREA OF SHOWERS AND STORMS ABOUT 20 MILES TO THE SOUTHWEST OF THE TRI-STATES AREA OR 55 MILES TO THE SOUTHWEST OF DUBUQUE. THE SHOWERS AND STORMS ARE MOVING TO THE NORTHEAST RAPIDLY AT 45 MILES AN HOUR AND ARE EXPECTED TO ENTER DELAWARE AND JONES COUNTIES BETWEEN 600 AND 630 PM CDT THIS EVENING. THE SHOWERS AND STORMS WILL MOVE INTO MOST OF THE TRI-STATES WEST OF THE MISSISSIPI RIVER BY 700 PM. PERSONS IN THE AREA SHOULD REMAIN ALERT FOR TORNADO DEVELOPMENT THIS EVENING...MAKE PLANS NOW FOR WHERE YOU WILL GO SHOULD SEVERE WEATHER THREATEN YOUR AREA OR IF A WARNING IS ISSUED. IF A WARNING IS ISSUED OR YOU OBSERVE DANGEROUS WEATHER CONDITIONS THEN TAKE COVER IMMEDIATELY. ...TORNADO WATCH FOR LAFAYETTE COUNTY UNTIL 800 PM CDT... ...TORNADO WATCH FOR CLAYTON...GRANT...JONES...DELAWARE UNTIL 900 PM CDT... ...TORNADO WATCH FOR DUBUQUE...JACKSON...JO-DAVIESS UNTIL 1100 PM CDT... ...FLASH FLOOD WATCH FOR JO-DAVIESS TONIGHT... DEROY NNNN
Special weather statement, Jun 8, 6:04 PM CDT, 44 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-090000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 604 PM CDT TUE JUN 8 1993 ...SHOWERS AND STORMS WERE MOVING TOWARD THE TRI-STATE... AT 600 PM CDT...A SMALL AREA OF RAINSHOWERS WERE OVER THE CITY OF MONONA IN CLAYTON COUNTY 45 MILES TO THE NORTHWEST OF DUBUQUE...OTHERWISE NO PRECIPITATION WAS INDICATED IN THE TRI-STATES. RADAR INDICATED A LARGE AREA OF SHOWERS AND STORMS ABOUT 20 MILES TO THE SOUTHWEST OF THE TRI-STATES AREA OR 55 MILES TO THE SOUTHWEST OF DUBUQUE. THE SHOWERS AND STORMS ARE MOVING TO THE NORTHEAST RAPIDLY AT 45 MILES AN HOUR AND ARE EXPECTED TO ENTER DELAWARE AND JONES COUNTIES BETWEEN 600 AND 630 PM CDT THIS EVENING. THE SHOWERS AND STORMS WILL MOVE INTO MOST OF THE TRI-STATES WEST OF THE MISSISSIPI RIVER BY 700 PM. PERSONS IN THE AREA SHOULD REMAIN ALERT FOR TORNADO DEVELOPMENT THIS EVENING...MAKE PLANS NOW FOR WHERE YOU WILL GO SHOULD SEVERE WEATHER THREATEN YOUR AREA OR IF A WARNING IS ISSUED. IF A WARNING IS ISSUED OR YOU OBSERVE DANGEROUS WEATHER CONDITIONS THEN TAKE COVER IMMEDIATELY. ...TORNADO WATCH FOR LAFAYETTE COUNTY UNTIL 800 PM CDT... ...TORNADO WATCH FOR CLAYTON...GRANT...JONES...DELAWARE UNTIL 900 PM CDT... ...TORNADO WATCH FOR DUBUQUE...JACKSON...JO-DAVIESS UNTIL 1100 PM CDT... ...FLASH FLOOD WATCH FOR JO-DAVIESS TONIGHT... DEROY NNNN
Special weather statement, Jun 8, 6:20 PM CDT, 28 minutes before
ILZ004-IAZ078-088-089-099-090030- SPECIAL WEATHER STATEMENT...CORRECTION TO HEADER NATIONAL WEATHER SERVICE MOLINE IL 620 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR LOUISA...HENRY...DES MOINES...AND LEE COUNTIES IN IOWA UNTIL 9 PM... ...A TORNADO WATCH IS IN EFFECT FOR CEDAR...CLINTON...MUSCATINE...AND SCOTT COUNTIES IN IOWA AND HENRY...MERCER...ROCK ISLAND...AND WHITESIDE COUNTIES IN ILLINOIS UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE BISTATE AREA TONIGHT... AT 610 PM CDT...INTENSE THUNDERSTORMS WERE IN SOUTHERN WASHINGTON COUNTY... IOWA MOVING EAST AT 40 MILES AN HOUR. THESE STORMS WILL BE MOVING THROUGH NORTHWESTERN HENRY COUNTY AND INTO WESTERN LOUISA COUNTY...IOWA BY 630 PM. THESE STORMS ARE CAPABLE OF PRODUCING WINDS IN EXCESS OF 45 MILES AN HOUR... HAIL...AND VERY HEAVY RAIN. PERSONS IN NORTHERN HENRY COUNTY...IOWA AND LOUISA COUNTY...IOWA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER AND BE READY TO MOVE TO A PLACE OF SAFETY IF CONDITIONS WARRANT. GOEHRING
Special weather statement, Jun 8, 6:20 PM CDT, 28 minutes before
ILZ004-IAZ078-088-089-099-090030- SPECIAL WEATHER STATEMENT...CORRECTION TO HEADER NATIONAL WEATHER SERVICE MOLINE IL 620 PM CDT TUE JUN 8 1993 ...A TORNADO WATCH IS IN EFFECT FOR LOUISA...HENRY...DES MOINES...AND LEE COUNTIES IN IOWA UNTIL 9 PM... ...A TORNADO WATCH IS IN EFFECT FOR CEDAR...CLINTON...MUSCATINE...AND SCOTT COUNTIES IN IOWA AND HENRY...MERCER...ROCK ISLAND...AND WHITESIDE COUNTIES IN ILLINOIS UNTIL 11 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE BISTATE AREA TONIGHT... AT 610 PM CDT...INTENSE THUNDERSTORMS WERE IN SOUTHERN WASHINGTON COUNTY... IOWA MOVING EAST AT 40 MILES AN HOUR. THESE STORMS WILL BE MOVING THROUGH NORTHWESTERN HENRY COUNTY AND INTO WESTERN LOUISA COUNTY...IOWA BY 630 PM. THESE STORMS ARE CAPABLE OF PRODUCING WINDS IN EXCESS OF 45 MILES AN HOUR... HAIL...AND VERY HEAVY RAIN. PERSONS IN NORTHERN HENRY COUNTY...IOWA AND LOUISA COUNTY...IOWA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER AND BE READY TO MOVE TO A PLACE OF SAFETY IF CONDITIONS WARRANT. GOEHRING
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 10:26 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 64 min |
| Jun 8, 6:26 PM CDT | Tornado Warning | DVN | Henry, Louisa | 34 min |
| Jun 7, 11:41 PM CDT | Severe Thunderstorm Warning | DVN | Whiteside | 49 min |
| Jun 8, 5:49 AM CDT | Severe Thunderstorm Warning | DVN | Henry, Rock Island, Whiteside | 41 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1993Severe 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.