Alert archive / Minnesota / Tornado Warnings in 1993
Tornado Warning 4, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 7, 1993, 5:07 PM CDT for Pipestone County, Minnesota. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- May 7, 1993, 5:07 PM CDT (22:07 UTC)
- Expired
- May 7, 1993, 6:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Pipestone County, MN
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.1 hours before the alert went out and 230 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
- 634 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 209 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 KFSD 072206 TORFSD MNC117-072300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 507 PM CDT FRI MAY 7 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...WESTERN PIPESTONE COUNTY AT 455 PM CDT A TORNADO WAS REPORTED NEAR JASPER MINNESOTA IN WESTERN PIPESTONE COUNTY OR ABOUT 25 MILES NORTHEAST OF SIOUX FALLS MOVING TO THE NORTHEAST AT 25 MILES AN HOUR. THE TORNADO WILL MOVE TO THE TOWNS OF ARLIE AND PIPESTONE BY 515 PM CDT ABOUT 30 MILES NORTHEAST OF SIOUX FALLS. A TORNADO WATCH IS IN EFFECT FOR PARTS OF SOUTHEAST SOUTH DAKOTA... NORTHWEST IOWA AND SOUTHWEST MINNESOTA. THIS IS A DANGEROUS STORM. MOVE QUICKLY TO UNDERGROUND SHELTER IF AVAILABLE. OTHERWISE...GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR AN AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A STURDY BTUILDING.
What forecasters said that day
The local office's own words before this tornado 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 7, 4:03 PM CDT, 1 hour 4 minutes before
NEZ094-SDZ066-072200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 403 PM CDT FRI MAY 7 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING AGAIN... AT 400 PM CDT STRONG THUNDERSTORMS WERE DEVELOPING IN UNION COUNTY SOUTH DAKOTA AND DIXON COUNTY NEBRASKA. THE STORM IN UNION COUNTY WAS 5 MILES SOUTH OF BERESFORD AND WAS MOVING NORTH AT 20 MILES AN HOUR. THIS STORM WILL HAVE THE POTENTIAL TO PRODUCE HEAVY RAINS AND GUSTY WINDS. THIS STORM WILL MOVE INTO BERESFORD BY 410 PM. ANOTHER STRONG STORM WAS LOCATED 10 MILES SOUTH OF NEWCASTLE IN DIXON COUNTY NEBRASKA...OR 25 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS ALSO MOVING NORTH AROUND 20 MILES AN HOUR. ALONG WITH HEAVY RAINS AND GUSTY WINDS COULD ALSO PRODUCE SOME HAIL. THIS STORM WILL MOVE INTO NEWCASTLE BY 415 PM. IRELAND
Special weather statement, May 7, 4:05 PM CDT, 1 hour 2 minutes before
NEZ094-SDZ066-072200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 403 PM CDT FRI MAY 7 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING AGAIN... AT 400 PM CDT STRONG THUNDERSTORMS WERE DEVELOPING IN UNION COUNTY SOUTH DAKOTA AND DIXON COUNTY NEBRASKA. THE STORM IN UNION COUNTY WAS 5 MILES SOUTH OF BERESFORD AND WAS MOVING NORTH AT 20 MILES AN HOUR. THIS STORM WILL HAVE THE POTENTIAL TO PRODUCE HEAVY RAINS AND GUSTY WINDS. THIS STORM WILL MOVE INTO BERESFORD BY 410 PM. ANOTHER STRONG STORM WAS LOCATED 10 MILES SOUTH OF NEWCASTLE IN DIXON COUNTY NEBRASKA...OR 25 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS ALSO MOVING NORTH AROUND 20 MILES AN HOUR. ALONG WITH HEA:VY RAINS AND GUSTY WINDS COULD ALSO PRODUCE SOME HAIL. THIS STORM WILL MOVE INTO NEWCASTLE BY 415 PM. IRELAND
Special weather statement, May 7, 4:08 PM CDT, 59 minutes before
IAZ020-031-043-NEZ094>NEZ096-SDZ066-072200- SPECIAL WEATHER STATEMENT...CORRECTED TO ADD TORNADO WATCH INFO NATIONAL WEATHER SERVICE SIOUX CITY IA 408 PM CDT FRI MAY 7 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING AGAIN... AT 400 PM CDT STRONG THUNDERSTORMS WERE DEVELOPING IN UNION COUNTY SOUTH DAKOTA AND DIXON COUNTY NEBRASKA. THE STORM IN UNION COUNTY WAS 5 MILES SOUTH OF BERESFORD AND WAS MOVING NORTH AT 20 MILES AN HOUR. THIS STORM WILL HAVE THE POTENTIAL TO PRODUCE HEAVY RAINS AND GUSTY WINDS. THIS STORM WILL MOVE INTO BERESFORD BY 410 PM. ANOTHER STRONG STORM WAS LOCATED 10 MILES SOUTH OF NEWCASTLE IN DIXON COUNTY NEBRASKA...OR 25 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS ALSO MOVING NORTH AROUND 20 MILES AN HOUR. ALONG WITH HEAVY RAINS AND GUSTY WINDS THIS STORM COULD ALSO PRODUCE SOME HAIL. THIS STORM WILL MOVE INTO NEWCASTLE BY 415 PM. A TORNADO WATCH IS IN EFFECT FOR UNION COUNTY IN SOUTH DAKOTA...DIXON... DAKOTA AND THURSTON IN NEBRASKA AND PLYMOUTH...WOODBURY AND MONONA IN IOWA. IRELAND
Special weather statement, May 7, 4:09 PM CDT, 58 minutes before
IAZ020-031-043-NEZ094>NEZ096-SDZ066-072200- SPECIAL WEATHER STATEMENT...CORRECTED TO ADD TORNADO WATCH INFO NATIONAL WEATHER SERVICE SIOUX CITY IA 408 PM CDT FRI MAY 7 1993 ...STRONG THUNDERSTORMS WERE DEVELOPING AGAIN... AT 400 PM CDT STRONG THUNDERSTORMS WERE DEVELOPING IN UNION COUNTY SOUTH DAKOTA AND DIXON COUNTY NEBRASKA. THE STORM IN UNION COUNTY WAS 5 MILES SOUTH OF BERESFORD AND WAS MOVING NORTH AT 20 MILES AN HOUR. THIS STORM WILL HAVE THE POTENTIAL TO PRODUCE HEAVY RAINS AND GUSTY WINDS. THIS STORM WILL MOVE INTO BERESFORD BY 410 PM. ANOTHER STRONG STORM WAS LOCATED 10 MILES SOUTH OF NEWCASTLE IN DIXON COUNTY NEBRASKA...OR 25 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS ALSO MOVING NORTH AROUND 20 MILES AN HOUR. ALONG WITH HEAVY RAINS AND GUSTY WINDS THIS STORM COULD ALSO PRODUCE SOME HAIL. THIS STORM WILL MOVE INTO NEWCASTLE BY 415 PM. A TORNADO WATCH IS IN EFFECT FOR UNION COUNTY IN SOUTH DAKOTA...DIXON...> DAKOTA AND THURSTON IN NEBRASKA AND PLYMOUTH...WOODBURY AND MONONA IN IOWA. IRELAND
Special weather statement, May 7, 5:03 PM CDT, 4 minutes before
IAZ020-031-043-NEZ094-095-096-SDZ066-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 503 PM CDT FRI MAY 7 1993 ...THE THUNDERSTORMS HAVE MOVED OUT OF THE AREA... AT 500 PM CDT THE STRONG THUNDERSTORM THAT HAD BEEN NEAR BERESFORD SOUTH DAKOTA IN UNION COUNTY HAD MOVED NORTH OUT OF THE AREA. ACROSS THE REST OF THE AREA THERE WERE ONLY A FEW SCATTERED LIGHT SHOWERS. CONDITIONS ACROSS THE AREA LATE THIS AFTERNOON ARE SET FOR RAPID DEVELOPMENT OF THUNDERSTORMS. THESE STORMS WILL HAVE HAVE THE POTENTIAL TO PRODUCE HEAVY RAIN...DAMAGING WINDS AND LARGE HAIL. TORNADOES COULD ALSO FORM WITH LITTLE OR NO ADVANCED NOTICE. THEREFORE A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM FOR UNION COUNTY SOUTH DAKOTA...DIXON... DAKOTA AND THURSTON COUNTIES IN IOWA AND PLYMOUTH...WOODBURY AND MONONA COUNTIES IN IOWA. IRELAND WWUS34KCNK +
Special weather statement, May 7, 5:05 PM CDT, 2 minutes before
IAZ020-031-043-NEZ094-095-096-SDZ066-072300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 503 PM CDT FRI MAY 7 1993 ...THE THUNDERSTORMS HAVE MOVED OUT OF THE AREA... AT 500 PM CDT THE STRONG THUNDERSTORM THAT HAD BEEN NEAR BERESFORD SOUTH DAKOTA IN UNION COUNTY HAD MOVED NORTH OUT OF THE AREA. ACROSS THE REST OF THE AREA THERE WERE ONLY A FEW SCATTERED LIGHT SHOWERS. CONDITIONS ACROSS THE AREA LATE THIS AFTERNOON ARE SET FOR RAPID DEVELOPMENT OF THUNDERSTORMS. THESE STORMS WILL HAVE HAVE THE POTENTIAL TO PRODUCE HEAVY RAIN...DAMAGING WINDS AND LARGE HAIL. TORNADOES COULD ALSO FORM WITH LITTLE OR NO ADVANCED NOTICE. THEREFORE A TORNADO WATCH IS IN EFFECT UNTIL 1000 PM FOR UNION COUNTY SOUTH DAKOTA...DIXON... DAKOTA AND THURSTON COUNTIES IN IOWA AND PLYMOUTH...WOODBURY AND MONONA COUNTIES IN IOWA. IRELAND
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 5:55 PM CDT | Tornado Warning | FSD | Murray | 50 min |
| May 7, 6:43 PM CDT | Tornado Warning | FSD | Lyon | 47 min |
Nearby
Tornado Warnings in Minnesota, 1993Every tornado warning in 1993Tornadoes 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.