Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 5, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at May 2, 1993, 5:01 PM CDT for Appanoose County, Iowa. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 2, 1993, 5:01 PM CDT (22:01 UTC)
- Expired
- May 2, 1993, 7:05 PM CDT
- In force
- 2 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Appanoose County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.0 hours before the alert went out and 301 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
- 568 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDSM 022203 FFWDSM IAC007-030200- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 501 PM CDT SUN MAY 2 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN SOUTH CENTRAL IOWA ...APPANOOSE COUNTY AT 457 PM...BRIEF HEAVY RAIN WAS REPORTED NEAR CINCINNATI...35 MILES SOUTHWEST OF OTTUMWA IN SOUTHERN APPANOOSE COUNTY. THE STORM PRODUCING THIS HEAVY RAIN WAS PART OF A LINE OF THUNDERSTORMS THAT EXTENDED FROM NORTHEAST OF CEDAR RAPIDS TO WEST OF KIRKSVILLE MISSOURI. CREEK BEDS AND STORM DITCHES CAN FILL VERY QUICKLY AND ARE LIKELY HAZARDOUS AREAS. A FLASH FLOOD WATCH FOR SOUTHEAST IOWA CONTINUES THIS EVENING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHO:ULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. BURKE &
What forecasters said that day
The local office's own words before this flash flood 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, May 2, 2:30 PM CDT, 2 hours 31 minutes before
IAZ006>011-016>019-026>029-038>040-022230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 230 PM CDT SUN MAY 2 1993 ...MORE RAIN ON THE WAY AND FOR SOME OF US IT MAY BE HEAVY... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... RAIN SHOWERS CONTINUED TO OCCUR FROM TO THE EAST OF HIGHWAY 150 AND TO THE NORTH OF HIGHWAY 20. THE HEAVIEST PRECIPITATION WAS FALLING IN CLAYTON AND DELAWARE COUNTIES NEAR THE TOWNS OF GUTTENBURG...DELAWARE MANCHESTER AND RYAN. THROUGH 5 PM EXPECT LARGER CONCENTRATIONS OF RAIN TO OCCUR IN THOSE AREAS EAST OF HIGHWAY 63 WITH JUST WIDELY SCATTERED SHOWERS FALLING ELSEWHERE. THE POTENTIAL FOR THUNDERSTORMS IS IN THE FORECAST ALONG WITH HEAVY RAINS. THE MOST FAVORABLE LOCATION FOR THIS WOULD BE IN AREAS SOUTH OF HIGHWAY 3 AND ALONG AND EAST OF HIGHWAY 150. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. TRS
Special weather statement, May 2, 2:30 PM CDT, 2 hours 31 minutes before
IAZ006>011-016>019-026>030-038>042-053-054-022230- SPECIAL WEATHER STATEMENT...CORRECTION FOR DATE/TIME HEADER NATIONAL WEATHER SERVICE WATERLOO IA 230 PM CDT SUN MAY 2 1993 ...MORE RAIN ON THE WAY AND FOR SOME OF US IT MAY BE HEAVY... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... RAIN SHOWERS CONTINUED TO OCCUR FROM TO THE EAST OF HIGHWAY 150 AND TO THE NORTH OF HIGHWAY 20. THE HEAVIEST PRECIPITATION WAS FALLING IN CLAYTON AND DELAWARE COUNTIES NEAR THE TOWNS OF GUTTENBURG...DELAWARE MANCHESTER AND RYAN. THROUGH 5 PM EXPECT LARGER CONCENTRATIONS OF RAIN TO OCCUR IN THOSE AREAS EAST OF HIGHWAY 63 WITH JUST WIDELY SCATTERED SHOWERS FALLING ELSEWHERE. THE POTENTIAL FOR THUNDERSTORMS IS IN THE FORECAST ALONG WITH HEAVY RAINS. THE MOST FAVORABLE LOCATION FOR THIS WOULD BE IN AREAS SOUTH OF HIGHWAY 3 AND ALONG AND EAST OF HIGHWAY 150. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. TRS
Special weather statement, May 2, 2:32 PM CDT, 2 hours 29 minutes before
IAZ006>011-016>019-026>030-038>042-053-054-022230- SPECIAL WEATHER STATEMENT...CORRECTION FOR DATE/TIME HEADER NATIONAL WEATHER SERVICE WATERLOO IA 230 PM CDT SUN MAY 2 1993 ...MORE RAIN ON THE WAY AND FOR SOME OF US IT MAY BE HEAVY... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... RAIN SHOWERS CONTINUED TO OCCUR FROM TO THE EAST OF HIGHWAY 150 AND TO THE NORTH OF HIGHWAY 20. THE HEAVIEST PRECIPITATION WAS FALLING IN CLAYTON AND DELAWARE COUNTIES NEAR THE TOWNS OF GUTTENBURG...DELAWARE MANCHESTER AND RYAN. THROUGH 5 PM EXPECT LARGER CONCENTRATIONS OF RAIN TO OCCUR IN THOSE AREAS EAST OF HIGHWAY 63 WITH JUST WIDELY SCATTERED SHOWERS FALLING ELSEWHERE. THE POTENTIAL FOR THUNDERSTORMS IS IN THE FORECAST ALONG WITH HEAVY RAINS. THE MOST FAVORABLE LOCATION FOR THIS WOULD BE IN AREAS SOUTH OF HIGHWAY 3 AND ALONG AND EAST OF HIGHWAY 150. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. TRS
Special weather statement, May 2, 4:15 PM CDT, 46 minutes before
IAZ006>011-016>019-026>030-038>042-053-054-022300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 415 PM CDT SUN MAY 2 1993 ...HEAVY RAINS ARE IN THE WORKS FOR SOME EAST CENTRAL IOWA COUNTIES... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... A BAND OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN CONTINUED FROM GUTTENBURG IN CLAYTON COUNTY...TO MANCHESTER IN DELAWARE COUNTY. A POTENTIAL FOR FLASH FLOODING EXISTS IN THESE AREAS AND THUS A FLASH FLOOD WATCH REMAINS IN EFFECT. ANOTHER BAND OF LIGHT RAINSHOWERS WAS LOCATED GENERALLY EAST OF HIGHWAY 15 IN NORTH CENTRAL IOWA. SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THIS AREA THROUGH THE EARLY EVENING HOURS. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. SSL
Special weather statement, May 2, 4:15 PM CDT, 46 minutes before
IAZ006>011-016>019-026>030-038>042-053-054-022300- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE WATERLOO IA 415 PM CDT SUN MAY 2 1993 ...HEAVY RAINS ARE IN THE WORKS FOR SOME EAST CENTRAL IOWA COUNTIES... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... A BAND OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN CONTINUED FROM GUTTENBURG IN CLAYTON COUNTY...TO MANCHESTER IN DELAWARE COUNTY. A POTENTIAL FOR FLASH FLOODING EXISTS IN THESE AREAS AND THUS A FLASH FLOOD WATCH REMAINS IN EFFECT. ANOTHER BAND OF LIGHT RAINSHOWERS WAS LOCATED GENERALLY EAST OF HIGHWAY 14 IN NORTH CENTRAL IOWA. SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THIS AREA THROUGH THE EARLY EVENING HOURS. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. SSL
Special weather statement, May 2, 4:19 PM CDT, 42 minutes before
IAZ006>011-016>019-026>030-038>042-053-054-022300- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE WATERLOO IA 415 PM CDT SUN MAY 2 1993 ...HEAVY RAINS ARE IN THE WORKS FOR SOME EAST CENTRAL IOWA COUNTIES... A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EAST CENTRAL IOWA INCLUDING BUCHANAN...CLAYTON...DELAWARE...DUBUQUE...JONES AND JACKSON COUNTIES... A BAND OF SHOWERS AND THUNDERSTORMS...SOME PRODUCING VERY HEAVY RAIN CONTINUED FROM GUTTENBURG IN CLAYTON COUNTY...TO MANCHESTER IN DELAWARE COUNTY. A POTENTIAL FOR FLASH FLOODING EXISTS IN THESE AREAS AND THUS A FLASH FLOOD WATCH REMAINS IN EFFECT. ANOTHER BAND OF LIGHT RAINSHOWERS WAS LOCATED GENERALLY EAST OF HIGHWAY 14 IN NORTH CENTRAL IOWA. SHOWERS AND SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE IN THIS AREA THROUGH THE EARLY EVENING HOURS. THOSE LIVING NEAR CREEKS AND SMALL STREAMS IN EAST CENTRAL IOWA SHOULD STAY ALERT AND SHOULD KEEP AN EYE ON THE WEATHER AND RIVER CONDITIONS. ALSO...CHECK EQUIPMENT AND SUPPLIES NEEDED AND PLAN WHAT TO DO IF THERE IS FLOODING. BE READY TO ACT QUICKLY IF FLOODING STARTS...OR A WARNING IS ISSUED. SSL
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 2:42 PM CDT | Flash Flood Warning | DMX | Keokuk, Wapello | 3 hr |
| May 2, 2:42 PM CDT | Flash Flood Warning | DMX | Jones | 3 hr |
| May 2, 3:39 PM CDT | Flash Flood Warning | DMX | Benton, Linn | 3 hr |
Nearby
Flash Flood Warnings in Iowa, 1993Every flash flood 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.