Alert archive / Illinois / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 7, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 10, 1992, 9:21 PM CDT for Rock Island County, Illinois; Scott County, Iowa. It was in force for 19 min.
The area
The counties it named.
The facts
- Issued
- Apr 10, 1992, 9:21 PM CDT (02:21 UTC)
- Expired
- Apr 10, 1992, 9:40 PM CDT
- In force
- 19 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Scott County, IA, Rock Island County, IL
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.4 hours before the alert went out and 384 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
- NaN m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 460 m²/s²
- 0-3 km storm-relative helicity
- 848 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 10, 5:56 PM CDT, 3 hours 25 minutes before
IAZ008-ILZ001-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 556 PM CDT FRI APR 10 1992 ...TORNADO WATCH FOR MOST OF THE TRI-STATES UNTIL 1000 PM CDT... AT 555 PM CDT RADAR WAS INDICATING STRONG THUNDERSTORMS OVER WESTERN DUBUQUE AND NORTHERN JONES COUNTY NEAR FARLEY...20 MILES WEST OF THE CITY OF DUBUQUE...EXTENDING SOUTH TO NEAR MONTICELLO...30 MILES SOUTHWEST OF DUBUQUE. THIS STORM WAS MOVING TO THE EAST AROUND 30 MILES AN HOUR. IN ADDITION...A SEVERE THUNDERSTORM WAS LOCATED IN BUCHANAN COUNTY AND WILL BE MOVING INTO WESTERN DELAWARE COUNTY AFTER 615 PM CDT. IF YOU ARE IN THE PATH OF THESE STORMS...TAKE COVER IMMEDIATELY. THE STORMS MAY PRODUCE HAIL...DEADLY LIGHTNING...AND TORNADOES WITH LITTLE ADVANCED NOTICE. IRELAND NNNN
Special weather statement, Apr 10, 6:43 PM CDT, 2 hours 38 minutes before
ILZ004-IAZ015-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 635 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT FOR ALL OF THE BISTATE REGION UNTIL 10 PM CDT... AT 630 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS APPROACHING CEDAR COUNTY IOWA. THE LINE OF THUNDERSTORMS WAS 15 MILES NORTHWEST OF TIPTON IOWA AND CLARENCE IOWA...BOTH COMMUNITIES IN CEDAR COUNTY. TIPTON AND CLARENCE IOWA CAN EXPECT THUNDERSTORMS TO ENTER THEIR COMMUNITIES BETWEEN 645 AND 730 PM. STRONG WINDS...HAIL...HEAVY RAIN AND DANGEROUS LIGHTNING CAN BE EXPECTED WITH THE ARRIVAL OF THESE THUNDERSTORMS. OTHER STRONG TO SEVERE THUNDERSTORMS WERE LOCATED NORTH OF CLINTON COUNTY IOWA. THESE STORMS WERE MOVING EAST AT 40 MILES AN HOUR AND ARE EXPECTED TO MISS CLINTON COUNTY AT THIS TIME. ALL OF THESE THUNDERSTORMS WERE PART OF A LARGE LINE OF THUNDERSTORMS EXTENDING ACROSS IOWA. MOST OF THESE STRONG AND SEVERE STORMS WERE STILL 50 MILES WEST THROUGH NORTH WEST OF THE QUAD CITIES. IF YOU LIVE NEAR ANY OF THESE THUNDERSTORMS...BE PREPARED FOR RAPIDLY CHANGING CONDITIONS. IF SEVERE...THREATENING...WEATHER APPROACHES WHERE YOU LIVE...BE PREPARED TO SEEK A PLACE OF SAFETY. MEYER =
Special weather statement, Apr 10, 6:44 PM CDT, 2 hours 37 minutes before
IAZ008-ILZ001-110045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 644 PM CDT FRI APR 10 1992 ...SEVERE THUNDERSTORM WARNING FOR DELAWARE COUNTY HAS BEEN CANCELLED... AT 640 PM CDT RADAR AND SURFACE REPORTS INDICATED THAT ALL THE SEVERE WEATHER HAD MOVED OUT OF DELAWARE COUNTY. AT SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN DUBUQUE AND ALL OF JONES COUNTIES UNTIL 700 PM CDT. A TORNADO WATCH ALSO REMAINS IF EFFECT FOR MOST OF THE TRI-STATE AREA UNTIL 1000 PM CDT. IF YOU ARE IN THE PATH OF THESE STORMS TAKE COVER UNTIL THEY PASS. IRELAND NNNN
Local storm report, Apr 10, 7:22 PM CDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE DUBUQUE IA 715 PM CDT FRI APR 10 1992 TIME REPORT AND LOCATION 615 PM PEA SIZE HAIL IN CASCADE...DUBUQUE COUNTY 625 PM 3/4 INCH HAIL IN RYAN...DELAWARE COUNTY 638 PM 1/2 TO 3/4 INCH HAIL IN MARTELLE AND MORLEY...JONES COUNTY 653 PM 1/2 TO 3/4 INCH HAIL NORTHEAST OF OLIN...JONES COUNTY 705 PM PEAL SIZE HAIL IN BALDWIN...JACKSON COUNTY KOWALSKI/IRELANDI
Special weather statement, Apr 10, 8:10 PM CDT, 1 hour 11 minutes before
IAZ008-ILZ001-WIZ018-110215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 810 PM CDT FRI APR 10 1992 ...TORNADO WATCH REMAINS IF AFFECT FOR ALL OF THE TRI-STATE AREA...EXCEPT FOR GRANT AND LAFAYETTE COUNTIES...UNTIL 1000 PM CDT... AT 805 PM CDT RADAR WAS INDICATING A THUNDERSTORM OVER NORTHWEST DELAWARE COUNTY NEAR THORPE...40 MILES WEST NORTHWEST OF DUBUQUE. THIS STORM MAY PRODUCE SMALL HAIL AS IT MOVES TO THE EAST SOUTHEAST AT 35 MILES AN HOUR. OTHER SHOWERS WERE LOCATED OVER SOUTHERN JACKSON COUNTY IN IOWA AND OVER JO DAVIESS COUNTY IN ILLINOIS. THESE SHOWERS WERE ALSO MOVING TO THE EAST SOUTHEAST AROUND 35 MILES AN HOUR. NO SEVERE WEATHER IS OCCURRING AT THIS TIME...HOWEVER THE POTENTIAL STILL EXISTS AND PEOPLE IN THE TRI-STATES SHOULD STILL REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER. IF SEVERE WEATHER IS SIGHTED...TAKE COVER IMMEDIATELY. IRELAND NNNN
Special weather statement, Apr 10, 8:57 PM CDT, 24 minutes before
IAZ008-ILZ001-WIZ018-110300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 857 PM CDT FRI APR 10 1992 ...TORNADO WATCH FOR THE TRI-STATES HAS BEEN CANCELLED... AT 855 PM CDT RADAR WAS INDICATING A LINE OF THUNDERSTORMS FROM DARLINGTON IN LAFAYETTE COUNTY...30 MILES NORTHEAST OF DUBUQUE...TO NEAR THE CITY OF DUBUQUE. THESE STORMS MAY PRODUCE BRIEF PERIODS OF HEAVY RAIN AND SMALL HAIL AS THEY MOVE EAST SOUTHEAST AROUND 30 MILES AN HOUR. OTHER SHOWES WERE INDICATED OVER DELAWARE...JONES AND JACKSON COUNTIES IN IOWA. THESE SHOWERS WERE ALSO MOVING TO THE EAST SOUTHEAST AROUND 30 MILES AN HOUR. SEVERE WEATHER IS NO LONGER EXPECTED IN THE TRI-STATES...HOWEVER IF THREATENING WEATHER DOES APPROACH...TAKE SHELTER UNTIL THE STORMS PASS. IRELAND NNNN
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:30 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 60 min |
| Apr 10, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 64 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 1992Severe Thunderstorm Warnings in Iowa, 1992Every severe thunderstorm warning in 1992
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.