Alert archive / Iowa / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 40, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 18, 1994, 7:28 PM CDT for Jackson County, Iowa. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1994, 7:28 PM CDT (00:28 UTC)
- Expired
- Jun 18, 1994, 8:15 PM CDT
- In force
- 47 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, 0.5 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
- 493 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.6
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, Jun 18, 5:05 PM CDT, 2 hours 23 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 505 PM CDT SAT JUN 18 1994 ...SEVERE WINDS IN ROCK ISLAND COUNTY... AT 440 PM CDT...A THUNDERSTORM PRODUCED WINDS IN EXCESS OF 60 MILES AN HOUR 7 MILES SOUTHWEST OF ILLINOIS CITY. A CORN CRIB WAS THROWN AND AN ATV VEHICLE WAS FLIPPED OVER DUE TO THE WINDS. THE STORM PRODUCING THE WINDS WAS ON THE WESTERN SIDE OF MUSCATINE IOWA AND WAS MOVING SLOWLY NORTH AT 10 MILES AN HOUR. THE STORM HAS NOT PRODUCED ANY SEVERE WEATHER SINCE 440 PM. OTHER VERY STRONG THUNDERSTORMS WERE ALONG THE MISSISSIPPI RIVER FROM MUSCATINE EAST TO TO THE WESTERN EDGE OF THE QUAD CITIES. BE ON THE LOOKOUT FOR THUNDERSTORMS THIS EVENING AS THEY MAY PRODUCE STRONG WINDS...HAIL...AND BRIEF HEAVY RAIN. . & GOEHRING
Special weather statement, Jun 18, 5:05 PM CDT, 2 hours 23 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 505 PM CDT SAT JUN 18 1994 ...SEVERE WINDS IN ROCK ISLAND COUNTY... AT 440 PM CDT...A THUNDERSTORM PRODUCED WINDS IN EXCESS OF 60 MILES AN HOUR 7 MILES SOUTHWEST OF ILLINOIS CITY. A CORN CRIB WAS THROWN AND AN ATV VEHICLE WAS FLIPPED OVER DUE TO THE WINDS. THE STORM PRODUCING THE WINDS WAS ON THE WESTERN SIDE OF MUSCATINE IOWA AND WAS MOVING SLOWLY NORTH AT 10 MILES AN HOUR. THE STORM HAS NOT PRODUCED ANY SEVERE WEATHER SINCE 440 PM. OTHER VERY STRONG THUNDERSTORMS WERE ALONG THE MISSISSIPPI RIVER FROM MUSCATINE EAST TO TO THE WESTERN EDGE OF THE QUAD CITIES. BE ON THE LOOKOUT FOR THUNDERSTORMS THIS EVENING AS THEY MAY PRODUCE STRONG WINDS...HAIL...AND BRIEF HEAVY RAIN. . & GOEHRING
Special weather statement, Jun 18, 6:10 PM CDT, 1 hour 18 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-180030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 610 PM CDT SAT JUN 18 1994 ...VERY STRONG THUNDERSTORMS WEST OF THE QUAD CITIES... VERY STRONG THUNDERSTORMS CONTINUED TO PUSH NORTH AT 10 MILES AN HOUR EARLY THIS EVENING. MOST OF THE THUNDERSTORMS WERE FOUND WEST OF THE MISSISSIPPI RIVER AND NORTH OF A WAPELLO IOWA TO ALEDO ILLINOIS LINE. THE STRONGEST THUNDERSTORMS AT 600 PM WERE 15 MILES SOUTHWEST TO 10 MILES WEST OF THE QUAD CITIES...5 MILES SOUTHWEST OF MUSCATINE IOWA... AND 3 MILES SOUTH OF TIPTON IOWA. AN INTENSE THUNDERSTORM WAS IN NORTHERN WHITSIDE COUNTY ILLINOIS... 17 MILES NORTHWEST OF THE STERLING/ROCK FALLS AREA...OR 40 MILES NORTHEAST OF THE QUAD CITIES. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN AND POSSIBLY SOME HAIL. AN ISOLATED WIND GUST OVER 60 MILES AN HOUR WOULD ALSO NOT BE OUT OF THE QUESTION. BE ON THE OUTLOOK FOR THUNDERSTORMS AND BE READY TO MOVE TO SHELTER IF ONE OF THESE STRONGER THUNDERSTORMS THREATENS YOU. GOEHRING
Special weather statement, Jun 18, 6:10 PM CDT, 1 hour 18 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-180030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 610 PM CDT SAT JUN 18 1994 ...VERY STRONG THUNDERSTORMS WEST OF THE QUAD CITIES... VERY STRONG THUNDERSTORMS CONTINUED TO PUSH NORTH AT 10 MILES AN HOUR EARLY THIS EVENING. MOST OF THE THUNDERSTORMS WERE FOUND WEST OF THE MISSISSIPPI RIVER AND NORTH OF A WAPELLO IOWA TO ALEDO ILLINOIS LINE. THE STRONGEST THUNDERSTORMS AT 600 PM WERE 15 MILES SOUTHWEST TO 10 MILES WEST OF THE QUAD CITIES...5 MILES SOUTHWEST OF MUSCATINE IOWA... AND 3 MILES SOUTH OF TIPTON IOWA. AN INTENSE THUNDERSTORM WAS IN NORTHERN WHITSIDE COUNTY ILLINOIS... 17 MILES NORTHWEST OF THE STERLING/ROCK FALLS AREA...OR 40 MILES NORTHEAST OF THE QUAD CITIES. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN AND POSSIBLY SOME HAIL. AN ISOLATED WIND GUST OVER 60 MILES AN HOUR WOULD ALSO NOT BE OUT OF THE QUESTION. BE ON THE OUTLOOK FOR THUNDERSTORMS AND BE READY TO MOVE TO SHELTER IF ONE OF THESE STRONGER THUNDERSTORMS THREATENS YOU. GOEHRING
Special weather statement, Jun 18, 6:48 PM CDT, 40 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-180100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 648 PM CDT SAT JUN 18 1994 ...WINDS TO 50 MILES AN HOUR IN THE STERLING/ROCK FALLS AREA... AN INTENSE THUNDERSTORM PRODUCED 50 MILE AN HOUR WINDS IN THE STERLING /ROCK FALLS AREA AT 635 PM CDT. ILLINOIS STATE POLICE REPORTED THAT SMALL TREE LIMBS WERE BLOWN DONW WITH THE WINDS. THE STORM PRODUCING THE WINDS WAS ON THE NORTH SIDE OF THE STERLING/ROCK FALLS AREA MOVING NORTH AT 10 MILES AN HOUR. OTHER VERY STRONG THUNDERSTORMS WERE IN CENTRAL WHITESIDE COUNTY MOVING NORTH ALSO. STRONG THUNDERSTORMS CONTINUED TO RUMBLE ACROSS CENTRAL AND NORTHERN CEDAR COUNTY IN IOWA. THESE THUNDERSTORMS WILL CONTINUE TO PRODUCE VERY HEAVY RAIN... STRONG GUSTY WINDS...AND POSSIBLY SOME HAIL. . GO TO SHELTER IF ONE THESE STORMS THREATENS YOU. GOEHRING
Special weather statement, Jun 18, 6:48 PM CDT, 40 minutes before
ILZ009-015-016-024-IAZ065>068-078-088-089-099-180100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 648 PM CDT SAT JUN 18 1994 ...WINDS TO 50 MILES AN HOUR IN THE STERLING/ROCK FALLS AREA... AN INTENSE THUNDERSTORM PRODUCED 50 MILE AN HOUR WINDS IN THE STERLING /ROCK FALLS AREA AT 635 PM CDT. ILLINOIS STATE POLICE REPORTED THAT SMALL TREE LIMBS WERE BLOWN DONW WITH THE WINDS. THE STORM PRODUCING THE WINDS WAS ON THE NORTH SIDE OF THE STERLING/ROCK FALLS AREA MOVING NORTH AT 10 MILES AN HOUR. OTHER VERY STRONG THUNDERSTORMS WERE IN CENTRAL WHITESIDE COUNTY MOVING NORTH ALSO. STRONG THUNDERSTORMS CONTINUED TO RUMBLE ACROSS CENTRAL AND NORTHERN CEDAR COUNTY IN IOWA. THESE THUNDERSTORMS WILL CONTINUE TO PRODUCE VERY HEAVY RAIN... STRONG GUSTY WINDS...AND POSSIBLY SOME HAIL. . GO TO SHELTER IF ONE THESE STORMS THREATENS YOU. GOEHRING
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:28 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 62 min |
| Jun 19, 6:07 PM CDT | Severe Thunderstorm Warning | DVN | Delaware, Dubuque | 38 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 1994Every severe thunderstorm warning in 1994
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.