Alert archive / South Dakota / Flash Flood Warnings in 1993
Flash Flood Warning 8, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this flash flood warning at Jun 29, 1993, 3:49 PM CDT for Moody County, South Dakota. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1993, 3:49 PM CDT (20:49 UTC)
- Expired
- Jun 29, 1993, 6:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Moody County, SD
The nearest sounding before it
Aberdeen, SD (KHON), launched 12:00Z, 8.8 hours before the alert went out and 168 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
- 145 J/kg
- Mixed-layer CIN
- -368 J/kg
- Mixed-layer LCL
- 812 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 237 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 292051 FFWFSD MNC101-105-117-133-SDC101-292345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 349 PM CDT TUE JUN 29 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST MINNESOTA ...MURRAY COUNTY...NOBLES COUNTY...PIPESTONE COUNTY ...ROCK COUNTY IN EAST CENTRAL SOUTH DAKOTA ...MOODY COUNTY HEAVY RAIN HAS BEEN REPORTED OVER MOST OF SOUTHWEST MINNESOTA AND MOODY COUNTY OF SOUTHEAST SOUTH DAKOTA. STREET FLOODING WAS REPORTED AT PIPESTONE. SINCE THE GROUND IS ALREADY SATURATED OVER THESE AREAS... CREEK AND RIVER FLOODING IS LIKELY. RAINFALL ANOUNTS BETWEEN 1 AND 3 INCHES FELL OVER THE AREA WITHIN A SHORT PERIOD OF TIME. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. MENTZER
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 29, 2:48 PM CDT, 1 hour 1 minute before
SDZ018-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 245 PM CDT TUE JUN 29 1993 ...A TORNADO WATCH IS IN EFFECT UNTIL 5 PM CDT... AT 245 PM CDT...A LINE OF THUNDERSTORMS WAS DEVELOPING OVER PARTS OF SOUTHWEST MINNESOTA AND NORTHWEST IOWA. THE LINE OF STORMS EXTENDED FROM SOUTH OF LUVERNE MN THROUGH SIOUX CENTER IA. THESE STORMS ARE CAPABLE OF PRODUCING HAIL...STRONG WINDS...HEAVY RAIN AND DANGEROUS LIGHTNING. THE STORMS WERE MOVING EAST AT 20 MILES AN HOUR...AND SHOULD PASS OVER GEORGE IOWA...HULL IOWA ANDELLSWORTH MN BY 300 PM. IF YOU ARE IN THE PATH OF THESES STORMS BE PREPARED TO GO TO SHELTER QUICKLY. THESE STORMS ARE CONTINUING TO DEVELOP AND MAY REQ.UIRE A WARNING SOON. STAY TUNED TO THIS STATION FOR ANY FURTHER STATEMENTS OR WARNINGS. EDDY
Special weather statement, Jun 29, 3:06 PM CDT, 43 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 306 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WERE MOVING INTO OBRIEN COUNTY... AT 305 PM STRONG THUNDERSTORMS WERE 55 MILES NORTHWEST OF SIOUX CITY OR JUST WEST OF SHELDON IOWA. THEY WILL MOVE EAST AT 25 MILES AN HOUR...PASSING THROUGH SHELDON AND SANBORN AND REACHING HARTLEY AROUND 345 PM. HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THOSE STORMS. PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA. J QUINN
Special weather statement, Jun 29, 3:07 PM CDT, 42 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 306 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WERE MOVING INTO OBRIEN COUNTY... AT 305 PM STRONG THUNDERSTORMS WERE 55 MILES NORTHWEST OF SIOUX CITY OR JUST WEST OF SHELDON IOWA. THEY WILL MOVE EAST AT 25 MILES AN HOUR...PASSING THROUGH SHELDON AND SANBORN AND REACHING HARTLEY AROUND 345 PM. HEAVY RAIN AND DANGEROUS LIGHTNING WILL ACCOMPANY THOSE STORMS. PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA. J QUINN
Special weather statement, Jun 29, 3:36 PM CDT, 13 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 336 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WERE MOVING THROUGH OBRIEN COUNTY... AT 335 PM STRONG THUNDERSTORMS WERE 60 MILES NORTHWEST OF SIOUX CITY OR NEAR ARCHER IOWA. THEY WERE MOVING EAST AT 25 MILES AN HOUR. PRIMGHAR...ARCHER AND HARTLEY CAN EXPECT HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WIND AND SMALL HAIL FROM THESE STORMS UNTIL 4 PM. PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA. J QUINN
Special weather statement, Jun 29, 3:38 PM CDT, 11 minutes before
IAZ013-020-021-031-032-043-NEZ094>096-SDZ066-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 336 PM CDT TUE JUN 29 1993 ...STRONG THUNDERSTORMS WERE MOVING THROUGH OBRIEN COUNTY... AT 335 PM STRONG THUNDERSTORMS WERE 60 MILES NORTHWEST OF SIOUX CITY OR NEAR ARCHER IOWA. THEY WERE MOVING EAST AT 25 MILES AN HOUR. PRIMGHAR...ARCHER AND HARTLEY CAN EXPECT HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WIND AND SMALL HAIL FROM THESE STORMS UNTIL 4 PM. PEOPLE IN NORTHERN OBRIEN COUNTY SHOULD BE ALERT AND MOVE QUICKLY TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. A TORNADO WATCH IS IN EFFECT UNTIL 8 PM FOR OBRIEN AND SIOUX COUNTIES IN IOWA AND FOR UNION COUNTY SOUTH DAKOTA. J QUINN
Special weather statement, Jun 29, 3:47 PM CDT, 2 minutes before
IAZ001-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 PM CDT TUE JUN 29 1993 ...A TORNADO WTCH IS IN EFFECT FOR SOUTHERN SOUTH DAKOTA UNTIL 5 PM CDT... AT 340 PM CDT A STRONG THUNDERSTORM WAS LOCATED IN OSCEOLA COUNTY IN NORTHWEST IOWA NEAR THE COMMUNITY OF SIBLEY. THIS THUNDERSTORM WAS MOVING TO THE EAST AT 20 MILES AN HOUR AND MAY PRODUCE HAIL...GUSTY SURFACE WINDS ...VERY HEAVY RAIN...AND DANGEROUS LIGHTNING. AT 330 PM CDT THE SHERIFFS DEPARTMENT AT SIBLEY REPORTED A FUNNEL CLOUD ASSOCIATED WITH THIS STORM. PERSONS IN OSCEOLA COUNTY INCLUDING THE COMMUNITY OF SIBLEY AND OCHEYEDAN SHOULD BE ON THE LOOKOUT FOR THIS STORM UNTIL 430 PM CDT. STAY TUNED TO YOUR LOCAL TV OR RADIO STATION FOR FURTHER STATEMENTS AND POSSIBLE WARN- INGS. BUSS
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:00 AM CDT | Severe Thunderstorm Warning | FSD | Mellette | 45 min |
| Jun 29, 8:50 AM CDT | Severe Thunderstorm Warning | FSD | Mellette | 40 min |
| Jun 29, 8:57 AM CDT | Severe Thunderstorm Warning | FSD | Mellette | 33 min |
| Jun 29, 9:30 AM CDT | Severe Thunderstorm Warning | FSD | Mellette | 45 min |
| Jun 29, 10:19 AM CDT | Severe Thunderstorm Warning | FSD | Tripp | 41 min |
| Jun 29, 10:57 AM CDT | Severe Thunderstorm Warning | FSD | Tripp | 24 min |
| Jun 29, 11:46 AM CDT | Severe Thunderstorm Warning | FSD | Brule | 44 min |
| Jun 29, 1:07 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 38 min |
| Jun 29, 1:38 PM CDT | Severe Thunderstorm Warning | FSD | Hanson | 37 min |
| Jun 29, 1:58 PM CDT | Severe Thunderstorm Warning | FSD | Lake | 32 min |
| Jun 29, 2:10 PM CDT | Severe Thunderstorm Warning | FSD | McCook | 50 min |
| Jun 29, 2:38 PM CDT | Severe Thunderstorm Warning | FSD | Minnehaha, Moody | 37 min |
| Jun 29, 3:30 PM CDT | Flash Flood Warning | FSD | McCook, Minnehaha | 3 hr |
| Jun 29, 4:32 PM CDT | Tornado Warning | FSD | Tripp | 28 min |
| Jun 29, 4:57 PM CDT | Tornado Warning | FSD | Tripp | 33 min |
| Jun 29, 6:30 PM CDT | Flash Flood Warning | FSD | Minnehaha, Moody | 3 hr |
| Jun 29, 6:30 PM CDT | Flash Flood Warning | FSD | McCook | 3 hr |
| Jun 29, 6:41 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix | 28 min |
Nearby
Flash Flood Warnings in South Dakota, 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.