Alert archive / Iowa / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 49, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 29, 1993, 11:54 PM CDT for Jackson County, Iowa. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1993, 11:54 PM CDT (04:54 UTC)
- Expired
- Jun 30, 1993, 12:45 AM CDT
- In force
- 51 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, 4.9 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1074 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 102 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, Jun 29, 6:32 PM CDT, 5 hours 22 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-300030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 632 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR CLAYTON AND DELAWARE COUNTIES UNTIL 1100 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR CLAYTON COUNTY... AT 625 PM RADAR INDICATED NO THUNDERSTORMS OR SHOWERS IN THE TRI-STATES. TO THE WEST OF THE TRI-STATES JUST TO THE WEST OF WATERLOO AND NEAR CEDAR FALLS THERE WAS A SCATTERED AREA OF SHOWERS AND THUNDERSTORMS. ALL THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT UNTIL 1100 PM FOR BOTH CLAYTON AND DELAWARE COUNTIES. A FLASH FLOOD WATCH IS IN EFFE~CT FOR CLAYTON COUNTY FOR TONIGHT. PERSONS IN THE WATCH AREAS SHOULD KEEP ABREAST OF THE CHANGING WEATHER CONDITIONS AND PLAN NOW WHAT YOU WILL DO SHOULD DANGEROUS WEATHER CONDITIONS DEVELOP. ROWLAND NNNN
Special weather statement, Jun 29, 6:32 PM CDT, 5 hours 22 minutes before
IAZ030-041-042-053-054-ILZ001-WIZ018-300030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DUBUQUE IA 632 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT FOR CLAYTON AND DELAWARE COUNTIES UNTIL 1100 PM... ...A FLASH FLOOD WATCH IS IN EFFECT FOR TONIGHT FOR CLAYTON COUNTY... AT 625 PM RADAR INDICATED NO THUNDERSTORMS OR SHOWERS IN THE TRI-STATES. TO THE WEST OF THE TRI-STATES JUST TO THE WEST OF WATERLOO AND NEAR CEDAR FALLS THERE WAS A SCATTERED AREA OF SHOWERS AND THUNDERSTORMS. ALL THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT UNTIL 1100 PM FOR BOTH CLAYTON AND DELAWARE COUNTIES. A FLASH FLOOD WATCH IS IN EFFECT FOR CLAYTON COUNTY FOR TONIGHT. PERSONS IN THE WATCH AREAS SHOULD KEEP ABREAST OF THE CHANGING WEATHER CONDITIONS AND PLAN NOW WHAT YOU WILL DO SHOULD DANGEROUS WEATHER CONDITIONS DEVELOP. ROWLAND NNNN
Special weather statement, Jun 29, 10:30 PM CDT, 1 hour 24 minutes before
ILZ004-IAZ078-088-089-099-290430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 1030 PM CDT TUE JUN 29 1993 ...INTENSE THUNDERSTORMS BEARING DOWN ON THE BISTATE... AT 1025 PM CDT...RADAR INDICATED A LINE OF INTENSE THUNDERSTORMS EXTENDING NEAR DYERSVILLE IOWA...OR 75 MILES NORTH OF THE QAUD CITIES...TO KEOTA IOWA ...OR 75 MILES WEST OF THE QUAD CITIES...MOVING SOUTHEAST AT 35 MILES AN HOUR. THIS LINE HAS PRODUCED MANY REPORTS OF SEVERE WEATHER...INCLUDING TORNADOES... LARGE HAIL...AND EXTREMELY HIGH WINDS. THIS LINE WILL ENTER CEDAR COUNTY IOWA SHORTLY AND REACH MECHANICSVILLE IOWA IN THE NEXT 10 MINUTES. PERSONS IN CEDAR COUNTY IOWA SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO TAKE SHELTER IMMEDIATELY IF SEVERE WEATHER THREATENS. PERSONS IN THE REST OF THE BISTATE SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR FURTHER STATEMENTS. T MEYER
Special weather statement, Jun 29, 10:35 PM CDT, 1 hour 19 minutes before
ILZ004-IAZ078-088-089-099-290430- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOLINE IL 1030 PM CDT TUE JUN 29 1993 ...INTENSE THUNDERSTORMS BEARING DOWN ON THE BISTATE... AT 1025 PM CDT...RADAR INDICATED A LINE OF INTENSE THUNDERSTORMS EXTENDING NEAR DYERSVILLE IOWA...OR 75 MILES NORTH OF THE QAUD CITIES...TO KEOTA IOWA ...OR 75 MILES WEST OF THE QUAD CITIES...MOVING SOUTHEAST AT 35 MILES AN HOUR. THIS LINE HAS PRODUCED MANY REPORTS OF SEVERE WEATHER...INCLUDING TORNADOES... LARGE HAIL...AND EXTREMELY HIGH WINDS. THIS LINE WILL ENTER CEDAR COUNTY IOWA SHORTLY AND REACH MECHANICSVILLE IOWA IN THE NEXT 10 MINUTES. PERSONS IN CEDAR COUNTY IOWA SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO TAKE SHELTER IMMEDIATELY IF SEVERE WEATHER THREATENS. PERSONS IN THE REST OF THE BISTATE SHOULD WATCH FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR FURTHER STATEMENTS. T MEYER
The office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:47 PM CDT | Flash Flood Warning | DVN | Clayton | 12 hr |
| Jun 29, 8:59 PM CDT | Severe Thunderstorm Warning | DVN | Clayton | 31 min |
| Jun 29, 9:51 PM CDT | Severe Thunderstorm Warning | DVN | Clayton, Delaware | 54 min |
| Jun 29, 10:06 PM CDT | Severe Thunderstorm Warning | DVN | Jones | 54 min |
| Jun 29, 10:23 PM CDT | Severe Thunderstorm Warning | DVN | Dubuque | 37 min |
| Jun 29, 10:47 PM CDT | Severe Thunderstorm Warning | DVN | Cedar | 43 min |
| Jun 29, 10:52 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 68 min |
| Jun 29, 11:03 PM CDT | Flash Flood Warning | DVN | Jones | 115 min |
| Jun 29, 11:11 PM CDT | Severe Thunderstorm Warning | DVN | Muscatine, Scott | 49 min |
| Jun 29, 11:11 PM CDT | Severe Thunderstorm Warning | DVN | Clinton | 49 min |
| Jun 29, 11:36 PM CDT | Flash Flood Warning | DVN | Jackson | 82 min |
| Jun 29, 11:48 PM CDT | Severe Thunderstorm Warning | DVN | Jackson | 57 min |
| Jun 30, 12:04 AM CDT | Severe Thunderstorm Warning | DVN | Jones | 26 min |
| Jun 30, 12:06 AM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Lee | 54 min |
| Jun 30, 1:35 AM CDT | Flash Flood Warning | DVN | Scott | 3 hr |
| Jun 30, 7:44 AM CDT | Flash Flood Warning | DVN | Clayton | 3 hr |
| Jun 30, 6:25 PM CDT | Flash Flood Warning | DVN | Clayton | 14 hr |
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.