Alert archive / Iowa / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 17, NWS Quad Cities, IA

June 19, 1992Clinton County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 19, 1992, 7:21 PM CDT for Clinton County, Iowa. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jun 19, 1992, 7:21 PM CDT (00:21 UTC)
Expired
Jun 19, 1992, 8:30 PM CDT
In force
69 min
Issued by
NWS Quad Cities, IA
Area
Whole counties

County Clinton County, IA

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 0.4 hours before the alert went out and 348 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.

Skew-T log-pSkew-T log-p diagram, Green Bay/Straub, WI at 00:00Z on 1992-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Green Bay/Straub, WI at 00:00Z on 1992-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -87 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
-87 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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

Local storm report, Jun 19, 3:55 PM CDT, 3 hours 26 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOLINE IL
300 PM CDT FRI JUN 19 1992

...ATTN SELS...

FINAL REPORT FOR THUNDERSTORMS ON JUNE 17 1992 / TORNADO WATCH # 387...

TIME CDT                               EVENT
1115 AM     DELMAR IOWA REPORTED SMALL HAIL...CLINTON COUNTY IOWA.

1205 PM     NEW LONDON IOWA REPORTED MARBLE HAIL 1 MILE SOUTH OF NEW
            LONDON.  REPORTED BY FIRE DEPARTMENT...HENRY COUNTY IOWA.

1210 PM     HAIL LARGE ENOUGH TO DO DAMAGE TO CARS REPORTED IN LOWELL
            IOWA BY LOCAL INSURANCE AGENT...HENRY COUNTY IOWA.

1210 PM     LOCAL OBSERVER REPORTED .40 INCH OF RAIN AT KEITHSBURG
            ILLINOIS...MERCER COUNTY ILLINOIS.

1210 PM     MARBLE SIZE HAIL REPORTED IN ALEDO ILLINOIS BY RADIO
            STATION WRMJ...MERCER COUNTY ILLINOIS.

1210 PM     MERCER COUNTY SHERIFFS OFFICE REPORTED STRONG WIND AND A
            FEW TREES DOWN.  WIND SPEED ESTIMATED AT 55 MPH.  THIS
            REPORT NOT RECEIVED UNTIL THE NEXT DAY...MERCER COUNTY IL.

1217 PM     GOLF BALL HAIL REPORTED WEST BURLINGTON IOWA ALONG WITH
            HEAVY RAIN AND A 50 MPH WIND GUST REPORTED BY BURLINGTON
            PD...DES MOINES COUNTY IOWA.

1222 PM     HEAVY RAIN REPORTED IN EAST DAVENPORT IOWA BY TRAINED
            SPOTTER...SCOTT COUNTY IOWA.

1225 PM     HEAVY RAIN AND GUSTY WIND REPORTED AT BURLINGTON IOWA BY
            BURLINGTON PD...DES MOINES COUNTY IOWA.

1227 PM     GOLF BALL HAIL REPORTED IN NORTH DAVENPORT.  WAS SHOWN ON
            LOCAL TV STATION ON THE 6 PM NEWS...SCOTT COUNTY IOWA.

1230 PM     DIME SIZE HAIL REPORTED IN ELVIRA BY CLINTON COUNTY CD
            ACCUMULATING ON THE GROUND...CLINTON COUNTY IOWA.

1230 PM     PUBLIC REPORTED FUNNEL CLOUD AT LOW MOOR IOWA.  TRUCK FARM
            AT FULTON ILLINOIS CLEARLY SAW THE FUNNEL CLOUD AT LOW MOOR
            AND WATCHED IT MOVE TOWARD CLINTON IOWA AND THEN CROSS THE
            MISSISSIPPI RIVER.  AS FAR AS THEY COULD TELL...IT DID NOT
            TOUCH DOWN.  THE TRUCK FARM IS LOCATED ABOUT 4 MILES EAST
            OF LOW MOOR...CLINTON COUNTY IOWA.

1235 PM     GOLF BALL AND SOFTBALL HAIL REPORTED AT FORT MADISON IOWA.
            SOME CAR WINDSHIELDS WERE SMASHED OUT.  REPORTED BY LEE
            COUNTY SHERIFFS OFFICE...LEE COUNTY IOWA.

1236 PM     3/4 AND 1 INCH HAIL OBSERVED AT WSO MOLINE ILLINOIS...ROCK
            ISLAND COUNTY ILLINOIS.

1255 PM     GOLF BALL HAIL REPORTED 1 MILE NORTH OF MORRISON ILLINOIS BY
            SPOTTER...WHITESIDE COUNTY ILLINOIS.

1255 PM     GOLF BALL HAIL REPORTED 5 MILES NORTHWEST OF GENESEO
            ILLINOIS BY SPOTTER...HENRY COUNTY ILLINOIS.

1255 PM     FUNNEL CLOUD REPORTED WEST OF ERIE ILLINOIS BY WHITESIDE
            COUNTY SHERIFFS OFFICE...WHITESIDE COUNTY ILLINOIS.
Local storm report, Jun 19, 4:08 PM CDT, 3 hours 13 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE MOLINE IL
300 PM CDT FRI JUN 19 1992

...ATTN SELS...

FINAL REPORT FOR THUNDERSTORMS ON JUNE 17 1992 / TORNADO WATCH # 387...
PART TWO...
TIME CDT                               EVENT

120  PM     F0 TO F1 TORNADO WATCHED BY ILLINOIS STATE TROOPER IN OPEN
            FARM FIELD JUST SOUTH OF DEAR GROVE ILLINOIS...TORNADO WAS
            OBSERVED UNTIL IT DISSIPATED AT 128 PM CDT...WHITESIDE
            COUNTY ILLINOIS.

130  PM     UNCONFIRMED TORNADO TOUCHDOWN REPORTED 5 MILES EAST OF
            WOODHULL ILLINOIS BY GENERAL PUBLIC.  SHERIFF ARRIVED AT
            LOCATION SHORTLY AFTERWARD AND COULD FIND NOTHING.

200 PM      TRAINED SPOTTER REPORTED A BRIEF WIND GUST TO 50 MPH IN
            GALVA ILLINOIS.  SOME TREE LIMBS AND POWER LINES RECEIVED
            DAMAGE.  THE GUST OF WIND LASTED ONLY ABOUT 5 SECONDS.
            ...HENRY COUNTY ILLINOIS.

MEYER
Special weather statement, Jun 19, 4:20 PM CDT, 3 hours 1 minute before
IAZ008-ILZ001-WIZ018-192215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DUBUQUE IA
420 PM CDT FRI JUN 19 1992

...TORNADO WATCH UNTIL 900 PM CDT...

AT 415 PM CDT...A FEW SHOWERS WERE LOCATED 20 TO 30 MILES SOUTHWEST OF
DUBUQUE MOVING EAST AT 35 MILES AN HOUR.

ALSO...SOME STRONG STORMS WERE LOCATED TO THE NORTH AND SOUTHWEST OF THE
TRI-STATE AREA.  THE STORMS TO THE NORTH WILL BE ENTERING NORTHWEST
CLAYTON COUNTY BY 430 PM AND WILL PRODUCE HEAVY RAINS...SMALL HAIL...
AND WINDS OF 35 TO 40 MILES AN HOUR.  THESE STORMS WERE MOVING SOUTHEAST
AT 25 MILES AN HOUR.

THE THUNDERSTORMS TO THE SOUTHWEST WERE MOVING EAST AT 35 MILES AN HOUR
AND SHOULD PASS TO THE SOUTH OF THE TRI-STATES.

A TORNADO WATCH IS IN EFFECT UNTIL 900 PM...AND PERSONS IN THE WATCH
AREA SHOULD BE PREPARED TO MOVE TO SAFETY IF A WARNING IS ISSUED OR YOU
SPOT SEVERE WEATHER CLOSING IN.

IF TIME PERMITS...REPORT YOUR INFORMATION TO THE NEAREST LAW INFORCEMENT
AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE OFFICE.
KOWALSKI

NNNN
Special weather statement, Jun 19, 4:54 PM CDT, 2 hours 27 minutes before
ILZ004-IAZ015-192245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
445 PM CDT FRI JUN 19 1992

...TORNADO WATCH IN EFFECT FOR MOST OF THE BISTATE AREA UNTIL
9 PM CDT...

SCATTERED THUNDERSTORMS AND SHOWERS HAD DEVELOPED OVER PARTS OF CENTRAL
AND EAST IOWA LATE THIS AFTERNOON.

AT 435 PM AN AREA OF THUNDERSTORMS AND SHOWERS EXTENDED FROM 10 MILES
SOUTH OF CEDAR RAPIDS IOWA TO 30 MILES WEST OF MUSCATINE IOWA.  THESE
THUNDERSTORMS AND SHOWERS WERE MOVING SOUTHEAST AT 35 MILES AN HOUR.

WEST PARTS OF THE BISTATE...INCLUDING THE COMMUNITIES OF WEST LIBERTY...
CONESVILLE AND COLUMBUS JUNCTION...COULD SEE THUNDERSTORMS AND SHOWERS
BETWEEN 5 AND 530 PM.  THE THUNDERSTORMS AND SHOWERS WERE STILL 60
MILES WEST OF THE QUAD CITIES.

IF THUNDERSTORMS APPROACH WHERE YOU LIVE...BE ON THE LOOKOUT FOR
LIGHTNING...GUSTY WINDS AND HEAVY RAIN.  CONDITIONS ARE FAVERABLE FOR
THUNDERSTORMS TO BECOME QUITE STRONG...SO KEEP UP TO DATE WIT]H LATEST
WEATHER INFORMATION IN YOUR AREA.

MEYER
Special weather statement, Jun 19, 5:50 PM CDT, 1 hour 31 minutes before
ILZ004-IAZ015-192345-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
545 PM CDT FRI JUN 19 1992

...TORNADO WATCH IN EFFECT FOR MOST OF THE BISTATE AREA UNTIL
9 PM CDT...

THUNDERSTORMS WERE BLOWING INTO CENTRAL PARTS OF THE BISTATE THIS
EVENING.

AT 545 PM STRONG THUNDERSTORMS HAD ENTERED LOUISA...HENRY...AND
DES MOINES COUNTIES OF EAST IOWA.  THESE STORMS COULD PRODUCE GUSTY
WINDS...AROUND 50 MPH...ALONG WITH SOME HAIL AND HEAVY RAIN.  IF YOU
LIVE IN THE CITIES OF OR COMMUNITIES OF MORNING SUN OR WAPELLO IN IOWA...
OR KEITHSBURG ILLINOIS ACORSS THE RIVER...BE ON THE LOOKOUT FOR THESE
STORMY AND WINDY CONDITIONS.

MEYER
Special weather statement, Jun 19, 6:54 PM CDT, 27 minutes before
ILZ004-IAZ015-200045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOLINE IL
650 PM CDT FRI JUN 19 1992

...TORNADO WATCH IN EFFECT FOR MOST OF THE BISTATE AREA UNTIL
9 PM CDT...

...SEVERE THUNDERSTORM WARNING FOR DES MOINES COUNTY IOWA HAD EXPIRED
AS OF 645 PM CDT...

AT 645 PM THE SEVERE THUNDERSTORM THAT BLEW DOWN NUMEROUS TREES IN
NORTH DES MOINES COUNTY IOWA...HAD MOVED SOUTHEAST ACROSS THE RIVER
INTO HENDERSON COUNTY OF ILLINOIS.

ANOTHER STRONG THUNDERSTORM WAS FOLLOWING THE FIRST SEVERE THUNDERSTORM
AND WAS LOCATED 15 MILES NORTHWEST OF BURLINGTON IOWA...ALSO MOVING
SOUTHEAST AT 35 MILES AN HOUR.

NORTH OF THE QUAD CITIES...IN NORTHWEST CLINTON COUNTY...ANOTHER STRONG
THUNDERSTORM HAD DEVELOPED.  THIS STORM WAS 20 MILES NORTHWEST OF
DEWITT IOWA VERY CLOSE TO THE COMMUNITY OF LOST NATION...AND COULD
PRODUCE SOME VERY GUSTY WINDS AND HEAVY RAINS.

IF LIVE NEAR...OR IN THE PATH...OF ANY OF THIS EVENINGS STRONG
THUNDERSTORMS...REMAIN ALERT TO WEATHER CONDITIONS AND BE PREPARED
TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

MEYER

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 8:41 PM CDTTornado WarningDVNWhiteside19 min
Jun 19, 8:41 PM CDTTornado WarningDVNHenry34 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; the sounding from the Mesonet's radiosonde archive.