Alert archive / Iowa / Flash Flood Warnings in 1993
Flash Flood Warning 22, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at Jun 13, 1993, 5:40 PM CDT for Adams County, Iowa. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 13, 1993, 5:40 PM CDT (22:40 UTC)
- Expired
- Jun 13, 1993, 7:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Adams County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.7 hours before the alert went out and 144 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
- 1167 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -246 m²/s²
- 0-3 km storm-relative helicity
- -120 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 132242 FFWDSM IAC003-140045- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DES MOINES IA 540 PM CDT SUN JUN 13 1993 THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION(S)... IN SOUTHWEST IOWA ...ADAMS COUNTY AT 535 PM CDT...ADAMS COUNTY SHERIFFS REPORTED WATER OVER THE ROAD ON M95 AND FLASH FLOODING NEAR HIGHWAY 148. RADAR CONTINUED TO SHOW STRONG THUNDERSTORMS...PRODUCING TORRENTIAL RAINS OVER THE AREA WITH THE STORMS MOVING EAST AT 25 MPH. THE STORMS WILL AFFECT THE TOWNS OF CORNING AND PRESCOTT DURING THE NEXT HOUR. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE TnHE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. SMITH
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, Jun 13, 4:40 PM CDT, 1 hour before
IAZALL-132240- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IA 440 PM CDT SUN JUN 13 1993 ...A TORNADO WATCH IS IN EFFECT FOR SOUTH CENTRAL AND SOUTHWEST IOWA UNTIL 10 PM CDT... AT 330 PM CDT...INTENSE THUNDERSTORMS WITH EXTREMELY HEAVY RAIN WERE OCCURRING OVER SOUTHWEST INTO NORTH CENTRAL IOWA. THE STORMS WERE LOCATED FROM 35 MILES SOUTHEAST OF COUNCIL BLUFFS NEAR RED OAK...TO 40 MILES WEST OF DES MOINES NEAR GUTHRIE CENTER. OTHER STRONG STORMS WERE 45 MILES NORTHEAST OF COUNCIL BLUFFS NEAR DENISON...35 MILES NORTHWEST OF DES MOINES NEAR OGDEN...AND 40 MILES SOUTHWEST OF MASON CITY NEAR ALGONA. THESE STORMS WERE PRODUCING TORRENTIAL RAIN...GUSTY WINDS...NEARLY CONTINUOUS LIGHTNING AND PEA TO MARBLE SIZE HAIL. THE EXTREME RAINFALL WAS CAUSING URBAN FLOODING IN SOME LOCATIONS. THE STORMS WERE PART OF AN AREA OF SHOWERS AND STORMS OCCURRING OVER THE WEST TWO-THIRDS OF IOWA...GENERALLY WEST OF A LINE FROM MASON CITY TO BELLE PLAINE TO LAMONI. BELLE PLAINE IS 30 MILES WEST OF CEDAR RAPIDS. THE STORMS AND SHOWERS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. JAK/WPM
Special weather statement, Jun 13, 5:20 PM CDT, 20 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 520 PM CDT SUN JUN 13 1993 ...ISOLATED STRONG THUNDERSTORMS ARE MOVING INTO NORTH CENTRAL IOWA... THROUGH 615 PM CDT...ISOLATED STRONG THUNDERSTORMS WILL MOVE INTO THE DUNCAN...GARNER AND VENTURA AREAS. THESE STORMS ARE EXPECTED TO PRODUCE LOCALLY HEAVY RAINS...STRONG WINDS AND POSSIBLY SMALL HAIL. OTHERWISE...SCATTERED SHOWERS CONTINUED TO PLAGUE THE FOREST CITY AND MANLY AREAS AND WILL CONTINUE TO PLAGUE THESE AREAS THROUGH 615 PM CDT. THROUGH THE EARLY EVENING HOURS...INCREASING CLOUDINESS IS EXPECTED ACROSS NORTHEAST AND NORTH CENTRAL IOWA WITH THE THREAT OF SHOWERS AND THUNDERSTORMS CONTINUING TO THE WEST OF HIGHWAY 150. THE MERCURY WILL HOLD STEADY IN THE LOWER 80S ALONG AND TO THE EAST OF HIGHWAY 218 WITH MIDDLE TO UPPER 70S PREVAILING TO THE WEST OF THE HIGHWAY. TRS
Special weather statement, Jun 13, 5:25 PM CDT, 15 minutes before
IAZ006-007-008-009-010-011-016-017-018-019-026-027-028-029-038- 039-040-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 520 PM CDT SUN JUN 13 1993 ...ISOLATED STRONG THUNDERSTORMS ARE MOVING INTO NORTH CENTRAL IOWA... THROUGH 615 PM CDT...ISOLATED STRONG THUNDERSTORMS WILL MOVE INTO THE DUNCAN...GARNER AND VENTURA AREAS. THESE STORMS ARE EXPECTED TO PRODUCE LOCALLY HEAVY RAINS...STRONG WINDS AND POSSIBLY SMALL HAIL. OTHERWISE...SCATTERED SHOWERS CONTINUED TO PLAGUE THE FOREST CITY AND MANLY AREAS AND WILL CONTINUE TO PLAGUE THESE AREAS THROUGH 615 PM CDT. THROUGH THE EARLY EVENING HOURS...INCREASING CLOUDINESS IS EXPECTED ACROSS NORTHEAST AND NORTH CENTRAL IOWAH WITH THE THREAT OF SHOWERS AND THUNDERSTORMS CONTINUING TO THE WEST OF HIGHWAY 150. THE MERCURY WILL HOLD STEADY IN THE LOWER 80S ALONG AND TO THE EAST OF HIGHWAY 218 WITH MIDDLE TO UPPER 70S PREVAILING TO THE WEST OF THE HIGHWAY. TRS
Special weather statement, Jun 13, 5:28 PM CDT, 12 minutes before
IAZ059-072-074-049-060-048-073-132330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DES MOINES IA 528 PM CDT SUN JUN 13 1993 AS OF 520 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM JUST SOUTHWEST OF DES MOINES INTO THE SOUTHWEST CORNER OF IOWA. THIS LINE OF THUNDERSTORMS IS EXPECTED TO ENTER THE DES MOINES METRO AREA BETWEEN 530 PM AND 545 PM. VERY HEAVY RAIN...STRONG WINDS...LARGE HAIL AND FREQUENT LIGHTNING WILL ACCOMPANY THESE STORMS. THIS IS A VERY DANGEROUS SITUATION...A TORNADO WATCH REMAINS IN EFFECT FOR THE DES MOINES METRO AREA UNTIL 10 PM TONIGHT. STAY TUNED TO NOAA WEATHER RADIO...AND LOCAL MEDIA SOURCES FOR WARNINGS AS THEY ARE ISSUED. LEWIS b
Special weather statement, Jun 13, 5:28 PM CDT, 12 minutes before
IAZ059-072-074-049-060-048-073-132330- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE DES MOINES IA 528 PM CDT SUN JUN 13 1993 ...TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL AND SOUTHWEST IOWA UNTIL 10 PM TONIGHT... AS OF 520 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM JUST SOUTHWEST OF DES MOINES INTO THE SOUTHWEST CORNER OF IOWA. THIS LINE OF THUNDERSTORMS IS EXPECTED TO ENTER THE DES MOINES METRO AREA BETWEEN 530 PM AND 545 PM. VERY HEAVY RAIN...STRONG WINDS...LARGE HAIL AND FREQUENT LIGHTNING WILL ACCOMPANY THESE STORMS. THIS IS A VERY DANGEROUS SITUATION...A TORNADO WATCH REMAINS IN EFFECT FOR THE DES MOINES METRO AREA UNTIL 10 PM TONIGHT. STAY TUNED TO NOAA WEATHER RADIO...AND LOCAL MEDIA SOURCES FOR WARNINGS AS THEY ARE ISSUED. LEWIS
Special weather statement, Jun 13, 5:30 PM CDT, 10 minutes before
IAZ059-072-074-049-060-048-073-132330- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE DES MOINES IA 528 PM CDT SUN JUN 13 1993 ...TORNADO WATCH REMAINS IN EFFECT FOR SOUTH CENTRAL AND SOUTHWEST IOWA UNTIL 10 PM TONIGHT... AS OF 520 PM CDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM JUST SOUTHWEST OF DES MOINES INTO THE SOUTHWEST CORNER OF IOWA. THIS LINE OF THUNDERSTORMS IS EXPECTED TO ENTER THE DES MOINES METRO AREA BETWEEN 530 PM AND 545 PM. VERY HEAVY RAIN...STRONG WINDS...LARGE HAIL AND FREQUENT LIGHTNING WILL ACCOMPANY THESE STORMS. THIS IS A VERY DANGEROUS SITUATION...A TORNADO WATCH REMAINS IN EFFECT FOR THE DES MOINES METRO AREA UNTIL 10 PM TONdIGHT. STAY TUNED TO NOAA WEATHER RADIO...AND LOCAL MEDIA SOURCES FOR WARNINGS AS THEY ARE ISSUED. LEWIS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:24 PM CDT | Flash Flood Warning | DMX | Hamilton, Webster | 81 min |
| Jun 13, 3:51 PM CDT | Severe Thunderstorm Warning | DMX | Cass | 54 min |
| Jun 13, 4:03 PM CDT | Tornado Warning | DMX | Cass | 27 min |
| Jun 13, 4:15 PM CDT | Severe Thunderstorm Warning | DMX | Adams | 45 min |
| Jun 13, 4:56 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Union | 49 min |
| Jun 13, 5:13 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 32 min |
| Jun 13, 6:18 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold, Union | 27 min |
| Jun 13, 6:25 PM CDT | Tornado Warning | DMX | Warren | 35 min |
| Jun 13, 6:49 PM CDT | Severe Thunderstorm Warning | DMX | Floyd, Mitchell | 41 min |
| Jun 13, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Decatur | 53 min |
| Jun 13, 6:52 PM CDT | Severe Thunderstorm Warning | DMX | Ringgold | 37 min |
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.