Alert archive / Minnesota / Tornado Warnings in 1993
Tornado Warning 20, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Jul 7, 1993, 7:50 PM CDT for Pipestone County, Minnesota. It was in force for 10 min.
The area
The counties it named.
The facts
- Issued
- Jul 7, 1993, 7:50 PM CDT (00:50 UTC)
- Expired
- Jul 7, 1993, 8:00 PM CDT
- In force
- 10 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Pipestone County, MN
The nearest sounding before it
Aberdeen, SD (KHON), launched 00:00Z, 0.8 hours before the alert went out and 196 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
- 513 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFSD 080051 TORFSD MNC117-080100- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 750 PM CDT WED JUL 7 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...PIPESTONE COUNTY THIS TORNADO IS EXPECTED TO PASS NEAR PIPESTONE. AT 745 PM CDT FUNNEL CLOUDS WERE REPORTED WEST OF PIPESTONE NEAR THE SOUTH DAKOTA BORDER. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. IF YOU LIVE IN A MOBILE HOME...ABANDON IT FOR A STRONGER SHELTER. RYRHOLM &
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, Jul 7, 4:21 PM CDT, 3 hours 29 minutes before
IAZ020-SDZ066-072230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 421 PM CDT WED JUL 7 1993 ...STRONG THUNDESTORMS HEADING FOR BERESFORD SOUTH DAKOTA... AT 420 PM CDT A STRONG THUNDERSTORM WAS LOCATED ABOUT 5 MILES WEST OF BERESFORD SOUTH DAKOTA...50 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS MOVING EAST AROUND 20 MILES AN HOUR AND WAS LIKELY PRODUCING HEAVY RAIN ALONG WITH SOME SMALL HAIL. BERESFORD CAN EXPECT THIS STORM BY 430 PM AND IT SHOULD BE IN ALCESTER BY 450 PM. IRELAND
Special weather statement, Jul 7, 4:24 PM CDT, 3 hours 26 minutes before
IAZ020-SDZ066-072230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 421 PM CDT WED JUL 7 1993 ...STRONG THUNDESTORMS HEADING FOR BERESFORD SOUTH DAKOTA... AT 420 PM CDT A STRONG THUNDERSTORM WAS LOCATED ABOUT 5 MILES WEST OF BERESFORD SOUTH DAKOTA...50 MILES NORTHWEST OF SIOUX CITY. THIS STORM WAS MOVING EAST AROUND 20 MILES AN HOUR AND WAS LIKELY PRODUCING HEAVY RAIN ALONG WITH SOME SMALL HAIL. BERESFORD CAN EXPECT THIS TSTORM BY 430 PM AND IT SHOULD BE IN ALCESTER BY 450 PM. IRELAND
Special weather statement, Jul 7, 4:47 PM CDT, 3 hours 3 minutes before
MNZ017-072230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 445 PM CDT WED JUL 7 1993 ...LOCAL HEAVY RAIN AND SMALL HAIL OVER SOUTHWEST MINNESOTA... AT 325 PM CDT A THUNDERSTORM PRODUCED MARBLE SIZE HAIL AND ABOUT ONE INCH OF RAIN IN EASTERN COTTOWOOD COUNTY ABOUT 30 MILES NORTHEAST OF WORTHINGTON MINNESOTA. THE THUNDERSTORM WAS MOVING EAST AT 35 MPH AND SHOULD BE EAST OF THE COUNTY BY 5 PM. STRONG THUNDERSTORMS NEAR WORTHINGTON...ADRIAN AND SLAYTON MINNESOTA WERE MOVING EAST AT 35 MPH. THESE CELLS WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING AND PERIODS OF VERY HEAVY RAIN. THE RAIN WILL ADVERSELY AFFECT ANY FLOODING OR SATURATED GROUND IN THESE AREAS. SMALL HAIL AND GUSTY WINDS ARE ALSO POSSIBLE WITH THESE THUNDERSTORMS. THESE THUNDERSTORMS WILL MOVE SPAFFORD...WESTBROOK AND RUSHMORE BY 515 PM CDT. IF YOU ARE IN THE PATH OF THESE STORMS...BE AWARE OF THE ADVERSE WEATHER THEY MAY PRODUCE AND SEEK A S`AFE REINFORCED SHELTER ON HIGH GROUND IF NECESSARY. BLOOM
Special weather statement, Jul 7, 5:26 PM CDT, 2 hours 24 minutes before
SDZ018-MNZ017-072330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 525 PM CDT WED JUL 7 1993 ...SCATTERED THUNDERSTORMS LINGER OVER SOUTHEAST SOUTH DAKOTA.. NORTHWEST IOWA AND SOUTHWEST MINNESOTA... AT 515 PM CDT A BAND OF THUNDERSTORMS FROM 40 MILES SOUTHWEST OF SIOUX FALLS NEAR VIBORG SOUTH DAKOTA TO 35 MILES SOUTHEAST OF SIOUX FALLS NEAR DOON IOWA TO 35 MILES NORTHEAST OF WORTHINGTON NEAR JEFFERS MINNESOTA. THESE THUNDERSTORMS WERE MOVING EAST AT 35 MPH. THESE THUNDERSTORMS WILL LIKELY PRODUCE LOCAL HEAVY RAIN WHICH WILL ONLY AGRIVATE FLOODING AND SATURDATED GROUND. SMALL HAIL MAY ALSO FALL. THESE THUNDERSTORMS WILL MOVE TO AREAS AROUND FAIRVIEW SOUTH DAKOTA... ROCK VALLEY AND SIBLEY IOWA AND BETWEEN OKABONA...JACKSON AND BERGEN MINNESOTA BY 6 PM. IF YOU ARE IN THE PATH OF THESE STORMS...BE AWARE OF THE ADVERSE WEATHER THEY MAY PRODUCE AND SEEK A SAFE REINFORCED SHELTER ON HIGH GROUND IF NECESSARY. BLOOM
Special weather statement, Jul 7, 7:02 PM CDT, 48 minutes before
SDZ011-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 702 PM CDT WED JUL 7 1993 ...THUNDERSTORMS MOVING THROUGH EAST CENTRAL SOUTH DAKOTA... AT 655 PM CDT SCATTERED THUNDERSTORMS ...SOME WITH VERY HEAVY RAIN... BRIEF GUSTY WINS...SMALL HAIL... AND DANGEROUS LIGHTING WILL ACCOMPANY THESE STORMS. THE THUNDERSTORMS WERE LOCATED FROM JUST NORTH OF HURON TO 20 MILES NORTH OF HURON. OTHER SCATTERED THUNDERSTORMS WERE LOCATED SOUTH OF ABREDEEN AND NEAR SISSETON. IF ONE OF THESE THUNDERSTORMS APPROACHES YOUR LOCATION...BE PREPARED TO TAKE SHELTER IMMEDIATELY. TINGLEY
Special weather statement, Jul 7, 7:03 PM CDT, 47 minutes before
SDZ011-080200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 702 PM CDT WED JUL 7 1993 ...THUNDERSTORMS MOVING THROUGH EAST CENTRAL SOUTH DAKOTA... AT 655 PM CDT SCATTERED THUNDERSTORMS ...SOME WITH VERY HEAVY RAIN... BRIEF GUSTY WINS...SMALL HAIL... AND DANGEROUS LIGHTING WILL ACCOMPANY THESE STORMS. THE THUNDERSTORMS WERE LOCATED FROM JUST NORTH OF HURON TO 20 MILES NORTH OF HURON. OTHER SCATTERED THUNDERSTORMS WERE LOCATED SO<UTH OF ABREDEEN AND NEAR SISSETON. IF ONE OF THESE THUNDERSTORMS APPROACHES YOUR LOCATION...BE PREPARED TO TAKE SHELTER IMMEDIATELY. TINGLEY
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:02 PM CDT | Tornado Warning | FSD | Pipestone | 28 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.