Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 55, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jul 2, 1993, 8:08 PM CDT for Jackson County, Iowa. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jul 2, 1993, 8:08 PM CDT (01:08 UTC)
- Expired
- Jul 2, 1993, 8:45 PM CDT
- In force
- 37 min
- Issued by
- NWS Quad Cities, IA
- Area
- Whole counties
County Jackson County, IA
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 1.1 hours before the alert went out and 325 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
- 274 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
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, Jul 2, 2:19 PM CDT, 5 hours 49 minutes before
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</html>Special weather statement, Jul 2, 6:14 PM CDT, 1 hour 54 minutes before
ILZ004-IAZ078-088-089-099-032330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 614 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS SCATTERED ALONG A LINE... THUNDERSTORMS CONTINUE TO DEVELOP ALONG A LINE FROM CENTRAL CEDAR COUNTY THROUGH WEST CENTRAL CLINTON ON TO NORTHEASTERN CLINTON COUNTY IN IOWA. THUNDERSTORMS HAVE BEEN SCATTERED ALONG THIS LINE AND THEY CONTINUE TO DEVELOP AND DISSIPATE ALONG THE LINE. THUNDERSTORMS WILL DEVELOP RAPIDLY ALONG THIS LINE AND MOVE EAST AT 30 MILES AN HOUR. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...STORNG GUSTY WINDS AND DANGEROUS CLOUD TO GROUND LIGHTNING. THIS LINE WILL SLOWLY DRIFT SOUTHEAST AS THE EVENING PROGRESSES. BY SUNSET THIS LINE OF SCATTERED THUNDERSTORMS SHOULD LIE ACROSS NORTHWESTERN MUSCATINE COUNTY... NORTHEAST THROUGH SOUTHEASTERN CEDAR COUNTY AND INTO NORTHERN SCOTT AND SOUTHERN CLINTON COUNTY ALL IN IOWA. EVEN THOUGH THERE IS NO THUNDERSTORM ACTIVITY ELSEWHERE...THUNDERSTORMS CAN DEVELOP RAPIDLY IN THIS TYPE OF WEATHER SCENARIO. KEEP AN EYE TO THE SKY AND KEEP ABREAST OF THE LATEST WEATHER FORECAST AS THUNDERSTORMS WILL BE LIKELY THROUGH MOST OF THE NIGHT. GOEHRING
Special weather statement, Jul 2, 6:15 PM CDT, 1 hour 53 minutes before
ILZ004-IAZ078-088-089-099-032330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 614 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS SCATTERED ALONG A LINE... THUNDERSTORMS CONTINUE TO DEVELOP ALONG A LINE FROM CENTRAL CEDAR COUNTY THROUGH WEST CENTRAL CLINTON ON TO NORTHEASTERN CLINTON COUNTY IN IOWA. THUNDERSTORMS HAVE BEEN SCATTERED ALONG THIS LINE AND THEY CONTINUE TO DEVELOP AND DISSIPATE ALONG THE LINE. THUNDERSTORMS WILL DEVELOP RAPIDLY ALONG THIS LINE AND MOVE EAST AT 30 MILES AN HOUR. THESE STORMS WILL PRODUCE BRIEF HEAVY RAIN...STORNG GUSTY WINDS AND DANGEROUS CLOUD TO GROUND LIGHTNING. THIS LINE WILL SLOWLY DRIFT SOUTHEAST AS THE EVENING PROGRESSES. BY SUNSET THIS LINE OF SCATTERED THUNDERSTORMS SHOULD LIE ACROSS NORTHWESTERN MUSCATINE COUNTY... NORTHEAST THROUGH SOUTHEASTERN CEDAR COUNTY AND INTO NORTHERN SCOTT AND SOUTHERN CLINTON COUNTY ALL IN IOWA. EVEN THOUGH THERE IS NO THUNDERSTORM ACTIVITY ELSEWHERE...LTHUNDERSTORMS CAN DEVELOP RAPIDLY IN THIS TYPE OF WEATHER SCENARIO. KEEP AN EYE TO THE SKY AND KEEP ABREAST OF THE LATEST WEATHER FORECAST AS THUNDERSTORMS WILL BE LIKELY THROUGH MOST OF THE NIGHT. GOEHRING
Special weather statement, Jul 2, 7:38 PM CDT, 30 minutes before
IAZ008-030145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA ISSUED BY WATERLOO IA 738 PM CDT FRI JUL 2 1993 ...STRONG THUNDERSTORMS IN SOUTHERN JONES COUNTY... AT 730 PM RADAR INDICATED VERY STRONG THUNDERSTORMS IN SOUTHERN JONES COUNTY 30 MILES SOUTHWEST OF DUBUQUE NEAR OXFORD JUNCTION. THESE STORMS WERE SLOWLY MOVING TO THE EAST AT 15 TO 20 MILES AN HOUR. REPORTS FROM THE OXFORD JUNCTION AREA CONFIRM HEAVY RAIN AND FREQUENT LIGHTNING. THESE STORMS WILL LINGER IN EXTREME SOUTHERN JONES COUNTY FOR THE NEXT HOUR. RADAR INDICATES NO SEVERE THUNDERSTORMS AT THIS TIME. HOWEVER THESE STORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY DOWNPOURS...SMALL HAIL AND WIND HGUSTS UP TO 45 MILES AN HOUR. STAY TUNED TO LOCAL RADIO AND TELEVISION STATIONS FOR ADDITIONAL UPDATES ON THESE STORMS. DP
Special weather statement, Jul 2, 7:41 PM CDT, 27 minutes before
ILZ004-IAZ078-088-089-099-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 741 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS ACROSS NORTHERN CLINTON COUNTY IOWA... INTENSE THUNDERSTORMS WERE ON THE CEADAR/JONES COUNTY LINE AT 725 PM AND JUST MOVING INTO NORTHWESTERN CLINTON COUNTY ALL IN IOWA. STORMS WERE MOVING EAST AT 25 MILES AN HOUR. A JONES COUNTY SHERIFF REPORTED ALOT OF HEAVY RAIN AND LIGHTNING WITH THIS STORM. AT THEIR CURRENT SPEED AND DIRECTION THE STORMS SHOULD MOVE JUST TO THE NORTH OF CLINTON. HOWEVER...THUNDERSTORMS MAY DEVELOP TO THE SOUTH OF THESE STORMS AND MOVE OVER CLINTON BY 830 PM. PEOPLE ATTENDING THE RIVERBOAT DAYS IN CLINTON IOWA SHOULD BE ON THE LOOK OUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SHELTER IF THESE STORMS APPROACH. STONG GUSTY WINDS ARE ALSO POSSIBLE WITH THESE STORMS. . MORE STORMS WERE ACROSS IOWA COUNTY IN IOWA THEY WERE MOVING VERY SLOWLY TO THE EAST/SOUTHEAST AT AROUND 15 MILES AN HOUR. STORMS WILL BE IN THE TWO STATE REGION FOR MOST OF THE NIGHT SO KEEP AN EYE TO THE SKY AND BE PREPARED TO MOVE TO A SAFE SHELTER IF NECESSARY. GOEHRING
Special weather statement, Jul 2, 7:41 PM CDT, 27 minutes before
ILZ004-IAZ078-088-089-099-030130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 741 PM CDT FRI JUL 2 1993 ...THUNDERSTORMS ACROSS NORTHERN CLINTON COUNTY IOWA... INTENSE THUNDERSTORMS WERE ON THE CEADAR/JONES COUNTY LINE AT 725 PM AND JUST MOVING INTO NORTHWESTERN CLINTON COUNTY ALL IN IOWA. STORMS WERE MOVING EAST AT 25 MILES AN HOUR. A JONES COUNTY SHERIFF REPORTED ALOT OF HEAVY RAIN AND LIGHTNING WITH THIS STORM. AT THEIR CURRENT SPEED AND DIRECTION THE STORMS SHOULD MOVE JUST TO THE NORTH OF CLINTON. HOWEVER...THUNDERSTORMS MAY DEVELOP TO THE SOUTH OF THESE STORMS AND MOVE OVER CLINTON BY 830 PM. PEOPLE ATTENDING THE RIVERBOAT DAYS IN CLINTON IOWA SHOULD BE ON THE LOOK OUT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A SHELTER IF THESE STORMS APPROACH. STONG GUSTY WINDS ARE ALSO POSSIBLE WITH THESE STORMS. . MORE STORMS WERE ACROSS IOWA COUNTY IN IOWA THEY WERE MOVING VERY SLOWLY TO THE EAST/SOUTHEAST AT AROUND 15 MILES AN HOUR. STORMS WILL BE IN THE TWO STATE REGION FOR MOST OF THE NIGHT SO KEEP AN EYE TO THE SKY AND BE PREPARED TO MOVE TO A SAFE SHELTER IF NECESSARY. GOEHRING
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 8:43 PM CDT | Tornado Warning | DVN | Clinton | 62 min |
Nearby
Severe 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.