Alert archive / Iowa / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 9, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 17, 1992, 12:03 PM CDT for Des Moines County, Lee County, Iowa. It was in force for 42 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
- Jun 17, 1992, 12:03 PM CDT (17:03 UTC)
- Expired
- Jun 17, 1992, 12:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
Counties Des Moines County, IA, Lee County, IA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 17, 12:17 PM CDT | Hail 1.75 | Des Moines, IA | |
| Jun 17, 12:35 PM CDT | Hail 4.5 | Lee, 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
Topeka, KS (KTOP), launched 12:00Z, 5.1 hours before the alert went out and 418 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
- 2067 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- -37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMLI 171703
SVRMLI
IAC087-057-111-171800-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOLINE IL
1203 PM CDT WED JUN 17 1992
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 100 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHEAST PART OF IOWA
EASTERN HENRY...DES-MOINES...NORTHERN LEE
AT NOON...A SEVERE THUNDERSTORMS WAS 15 MILES WEST OF BURLINGTON
IOWA...MOVING NORTHEAST AT 40 MILES AN HOUR.
SOME CITIES/TOWNS IN THE PATH OF THIS STORM INCLUDE... BURLINGTON..
DANVILLE...AND ST. PAUL IOWA.
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.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO WARNING...SO BE ON THE LOOKOUT AND BE
PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
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.
COOPER/MEYERWhat 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 17, 10:23 AM CDT, 1 hour 40 minutes before
IAZ008-ILZ001-WIZ018-171630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 1023 AM CDT WED JUN 17 1992 AT 1020 AM CDT...RADAR INDICATED A STRONG THUNDERSTORM LOCATED 5 MILES SOUTHWEST OF THE CITY OF FAIRPLAY OR ABOUT 5 MILES NORTHEAST OF THE CITY OF DUBUQUE. THE STORM WAS PRODUCING SMALL HAIL...BRIEF HEAVY RAINS...DEADLY LIGHTNING AND STRONG GUSTY WINDS. OTHERWISE...ANOTHER DEVELOPING STORM WAS LOCATED IN SOUTHEASTERN JONES COUNTY 10 MILES WEST OF OXFORD JUNCTION OR ABOUT 40 MILES SOUTHWEST OF THE CITY OF DUBUQUE. THE STORMS WERE MOVING NORTHEAST AT ABOUT 35 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAINS...DEADLY LIGHTNING AND STRONG GUSTY WINDS CAN BE EXPECTED WITH THESE STORMS PERSONS IN SOUTHEASTERN JONES COUNTY AS WELL AS IN SOUTHWESTERN GRANT COUNTY SHOULD BE ALERT FOR THESE STORMS AS THEY APPROACH AND MOVE INDOORS TO SEEK SHELTER. BE PREPARED TO TAKE QUICK ACTION SHOULD THESE STORMS BECOME SEVERE. DEROY NNNN
Special weather statement, Jun 17, 10:37 AM CDT, 1 hour 26 minutes before
IAZ008-ILZ001-WIZ018-171645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 1037 AM CDT WED JUN 17 1992 AT 1035 AM CDT...RADAR INDICATED A STRONG THUNDERSTORM LOCATED NEAR THE CITY OF FAIRPLAY IN GRANT COUNTY WISCONSIN OR ABOUT 5 MILES NORTHEAST OF THE CITY OF DUBUQUE. THE STORM WAS PRODUCING...SMALL HAIL ...BRIEF HEAVY RAINS AND DEADLY LIGHTNING AS WELL AS STRONG WINDS. OTHERWISE...ANOTHER DEVELOPING STORM WAS LOCATED IN SOUTHEASTERN JONES COUNTY NEAR THE CITY OF OXFORD JUNCTION OR 40 MILES SOUTHWEST OF THE CITY OF DUBUQE. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. SMALL HAIL...BRIEF HEAVY RAINS...DEADLY LIGHTNING...AND STRONG WINDS CAN BE EXPECTED WITH THESE STORMS. PERSONS IN SOUTHWESTERN GRANT COUNTY...IN OR NEAR THE CITIES OF GEORGETOWN AND PLATTEVILLE AND PERSONS IN LAFAYETTE COUNTY NEAR LESLIE AND ELK GROVE SHOULD BE ALERT FOR THIS STORM AS IT APPROACHES. PERSONS IN JACKSON AND JO-DAVIES COUNTIES FROM MONMOUTH NORTHEAST THROUGH BELLVUE AND FROM BLANDING THROUGH WARREN SHOULD BE ALERT FOR THIS STORM AS IT APPROACHES. MOVE INDOORS FOR SAFETY AND BE PREPARED TO TAKE QUICK ACTION SHOULD THESE STORMS BECOME SEVERE. DEROY h NNNN
Special weather statement, Jun 17, 10:49 AM CDT, 1 hour 14 minutes before
ILZ004-IAZ015-171645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 1045 AM CDT WED JUN 17 1992 THUNDERSTORMS HAD RAPIDLY DEVELOPED ACROSS EAST IOWA THIS MORNING. AT 1040 AM CDT A LINE OF THUNDERSTORMS EXTENDED FROM 15 MILES SOUTH OF DUBUQUE IOWA...TO TIPTON IOWA...EXTENDING TO THE SOUTHWEST NEAR CONESVILLE IOWA. THIS LINE OF THUNDERSTORMS WAS 40 MILES NORTHWEST OF THE QUAD CITIES...MOVING EAST AT 30 MILES AN HOUR. THESE LATE MORNING THUNDERSTORMS WILL MOVE INTO VERY MOIST...UNSTABLE AIR AS THEY MOVE TO THE EAST. THESE CONDITIONS ARE FAVERABLE FOR RAPID AND STRONG THUNDERSTORM DEVELOPMENT. IF YOU LIVE IN THE PATH OF THESE APPROACHING THUNDERSTORMS...BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE INDOORS TO A PLACE OF SAFETY AS THUNDERSTORMS APPROACH. THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING DEADLY LIGHTNING... HEAVY RAIN AND GUSTY WINDS. THE CITIES AND COMMUNITIES OF DEWITT IOWA...MUSCATINE IOWA...AND THE QUAD CITIES CAN EXPECT THE ARRIVAL OF THUNDERSTORMS BETWEEN 1115 AM AND 1145 AM CDT. MEYER
Special weather statement, Jun 17, 11:27 AM CDT, 36 minutes before
IAZ008-ILZ001-WIZ018-171730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 1127 AM CDT WED JUN 17 1992 ...TORNADO WATCH IN EFFECT FOR BOTH JO-DAVIES IN NORTHWEST ILLINOIS AND LAFAYETTE COUNTY IN SOUTHWEST ILLINOIS... AT 1125 AM CDT...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS LOCATED FROM THE CITY OF SPRAGUEVILLE IN JACKSON COUNTY 35 MILES SOUTHEAST OF THE CITY OF DUBUQUE NORTHEAST THROUGH CENTRAL JO-DAVIES COUNTY AND THROUGH THE CITY OF FAYETTE IN LAFAYETTE COUNTY 35 MILES TO THE NORTHEAST OF DUBUQUE. THE STRONGEST OF THE STORMS WERE LOCATED NEAR SPRAGUEVILLE IN JACKSON COUNTY...WOODBINE IN JO-DAVIES COUNTY...AND FAYETTE IN LAFAYETTE COUNTY. ALL ABOUT 35 MILES SOUTHEAST TO NORTHEAST OF THE CITY OF DUBUQE. THE STORMS WERE PRODUCING SMALL HAIL...BRIEF HEAVY RAINS AND DEADLY LIGHTNINAS WELL AS STRONG AND GUSTY WINDS. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. PERSONS IN SOUTHEASTERN JACKSON COUNTY...CENTRAL AND EASTERN JO-DAVIES COUNTY AND CENTRAL AND EASTERN LAFAYETTE COUNTY SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY APPROACH AND BE PREPARED TO TAKE COVER SHOULD ANY OF THESE STORMS BECOME SEVERE. DEROY NNNN
Special weather statement, Jun 17, 11:31 AM CDT, 32 minutes before
IAZ008-ILZ001-WIZ018-171730- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE DUBUQUE IA 1127 AM CDT WED JUN 17 1992 ...TORNADO WATCH IN EFFECT FOR BOTH JO-DAVIES IN NORTHWEST ILLINOIS AND LAFAYETTE COUNTY IN SOUTHWEST ILLINOIS... AT 1125 AM CDT...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS LOCATED FROM THE CITY OF SPRAGUEVILLE IN JACKSON COUNTY 35 MILES SOUTHEAST OF THE CITY OF DUBUQUE NORTHEAST THROUGH CENTRAL JO-DAVIES COUNTY AND THROUGH THE CITY OF FAYETTE IN LAFAYETTE COUNTY 35 MILES TO THE NORTHEAST OF DUBUQUE. THE STRONGEST OF THE STORMS WERE LOCATED NEAR SPRAGUEVILLE IN JACKSON COUNTY...WOODBINE IN JO-DAVIES COUNTY...AND FAYETTE IN LAFAYETTE COUNTY. ALL ABOUT 35 MILES SOUTHEAST TO NORTHEAST OF THE CITY OF DUBUQE. THE STORMS WERE PRODUCING SMALL HAIL...BRIEF HEAVY RAINS AND DEADLY LIGHTNING WELL AS STRONG AND GUSTY WINDS. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. PERSONS IN SOUTHEASTERN -JACKSON COUNTY...CENTRAL AND EASTERN JO-DAVIES COUNTY AND CENTRAL AND EASTERN LAFAYETTE COUNTY SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY APPROACH AND BE PREPARED TO TAKE COVER SHOULD ANY OF THESE STORMS BECOME SEVERE. DEROY
Special weather statement, Jun 17, 11:35 AM CDT, 28 minutes before
IAZ008-ILZ001-WIZ018-171730- SPECIAL WEATHER STATEMENT...CORRECTED...FOR LAFAYETTE COUNTY... NATIONAL WEATHER SERVICE DUBUQUE IA 1134 AM CDT WED JUN 17 1992 ...TORNADO WATCH IN EFFECT FOR BOTH JO-DAVIES IN NORTHWEST ILLINOIS AND LAFAYETTE COUNTY IN SOUTHWEST WISCONSIN... AT 1125 AM CDT...RADAR INDICATED A LINE OF STRONG THUNDERSTORMS LOCATED FROM THE CITY OF SPRAGUEVILLE IN JACKSON COUNTY 35 MILES SOUTHEAST OF THE CITY OF DUBUQUE NORTHEAST THROUGH CENTRAL JO-DAVIES COUNTY AND THROUGH THE CITY OF FAYETTE IN LAFAYETTE COUNTY 35 MILES TO THE NORTHEAST OF DUBUQUE. THE STRONGEST OF THE STORMS WERE LOCATED NEAR SPRAGUEVILLE IN JACKSON COUNTY...WOODBINE IN JO-DAVIES COUNTY...AND FAYETTE IN LAFAYETTE COUNTY. ALL ABOUT 35 MILES SOUTHEAST TO NORTHEAST OF THE CITY OF DUBUQE. THE STORMS WERE PRODUCING SMALL HAIL...BRIEF HEAVY RAINS AND DEADLY LIGHTNING WELL AS STRONG AND GUSTY WINDS. THE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. PERSONS IN SOUTHEASTERN JACKSON COUNTY...CENTRAL AND EASTERN JO-DAVIES COUNTY AND CENTRAL AND EASTERN LAFAYETTE COUNTY SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY APPROACH AND BE PREPARED TO TAKE COVER SHOULD ANY OF THESE STORMS BECOME SEVERE. DEROY
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 12:03 PM CDT | Severe Thunderstorm Warning | DVN | Henry | 57 min |
| Jun 17, 12:24 PM CDT | Severe Thunderstorm Warning | DVN | Clinton, Scott | 41 min |
| Jun 17, 12:35 PM CDT | Tornado Warning | DVN | Clinton | 25 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.