Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 5, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 10, 1992, 7:30 PM CDT for Cedar County, Iowa. It was in force for 60 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 10, 1992, 7:30 PM CDT (00:30 UTC)
- Expired
- Apr 10, 1992, 8:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Cedar County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 10, 7:40 PM CDT | Hail 0.75 | Cedar, IA | |
| Apr 10, 8:05 PM CDT | Hail 0.75 | Cedar, IA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.5 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
- 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, 4:53 PM CDT, 2 hours 37 minutes before
ILZ004-IAZ015-101800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 445 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT FOR ALL OF THE BISTATE REGION UNTIL 10 PM CDT... AT 430 PM NATIONAL WEATHER SERVICE RADAR CONTINUED TO SHOW NO THUNDERSTORMS IN EXTREME EAST IOWA OR NORTHWEST ILLINOIS. A SEVERE THUNDERSTORM HAD DEVELOPED IN CENTRAL IOWA...IN MARSHAL COUNTY AT ABOUT 430 PM CDT...WHICH MEANS THIS SEVERE THUNDERSTORM WAS STILL ABOUT 130 MILES WEST OF THE QUAD CITIES...MOVING EAST AT 40 MILES AN HOUR. THIS SEVERE THUNDERSTORM AND OTHER THUNDERSTORMS COULD APPROACH THE BISTATE BETWEEN 7 AND 8 PM...SO BE PREPARED FOR CHANGING AND POSSIBLY SEVERE WEATHER CONDITIONS...LATER THIS AFTERNOON AND EVENING. MEYER
Special weather statement, Apr 10, 5:50 PM CDT, 1 hour 40 minutes before
ILZ004-IAZ015-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 545 PM CDT FRI APR 10 1992 ...TORNADO WATCH IN EFFECT FOR ALL OF THE BISTATE REGION UNTIL 10 PM CDT... AT 530 PM CDT...RADAR INDICATED STRONG THUNDERSTORMS 35 MILES NORTHWEST OF TIPTON IOWA IN CEDAR COUNTY...OR 60 MILES NORTHWEST OF THE QUAD CITIES ...MOVING EAST AT 35 MILES AN HOUR. A SEVERE THUNDERSTORM WAS 15 MILES SOUTHEAST OF WATERLOO IOWA...MOVING EAST AT 40 MILES AN HOUR. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL. THESE STRONG AND SEVERE STORMS APPEAR AS IF THEY WILL MOVE JUST NORTH OF CEDAR AND CLINTON COUNTIES IN IOWA...IF THEY REMAIN ON THEIR PRESENT COURSE. HOWEVER..PERSONS IN NORTHERN CEDAR AND CLINTON COUNTIES SHOULD REMAIN ALERT AND PREPARED FOR POSSIBLE SEVERE WEATHER BETWEEN NOW AND 7:30 PM. IF THREATENING WEATHER APPROACHES WHERE YOU LIVE...BE PREPARED TO TAKE SHELTER IMMEDIATELY. MEYER
Special weather statement, Apr 10, 5:56 PM CDT, 1 hour 34 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, 47 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, 46 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, 8 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
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 8:26 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 64 min |
| Apr 10, 9:21 PM CDT | Severe Thunderstorm Warning | DVN | Scott | 19 min |
Nearby
Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.