Alert archive / Minnesota / Tornado Warnings in 1993
Tornado Warning 5, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at May 7, 1993, 5:55 PM CDT for Murray County, Minnesota. It was in force for 50 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 7, 1993, 5:55 PM CDT (22:55 UTC)
- Expired
- May 7, 1993, 6:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
County Murray County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 5:55 PM CDT | Tornado F1 | Chandler, MN | A tornado downed several trees and damaged several farm buildings. |
| May 7, 6:25 PM CDT | Tornado F1 | Lake Wilson, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Minneapolis, MN (KSTC), launched 12:00Z, 10.9 hours before the alert went out and 195 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 072254 TORFSD MNC101-072345- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 555 PM CDT FRI MAY 7 1993 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 645 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWEST MINNESOTA ...MURRAY COUNTY AT 550 PM CDT RADAR INDICATED A POSSIBLE TORNADO IN SOUTHWEST MURRAY COUNTY NEAR LEOTA OR SOUTH WEST OF CHANDLER MINNESOTA. FUNNEL CLOUDS HAVE ALSO BEEN REPORTED IN THIS AREA BY THE SHERIFF'S DEPARTMENT. THE STORM PRODUCING THE FUNNEL CLOUDS SHOULD MOVE TO THE WEST OF CHANDLER. PERSONS IN LEOTA...CHANDLER AND LAKE WILSON SHOULD TAKE COVER AT THIS TIME. 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 BUILDING. &
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, 5:03 PM CDT, 52 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, 50 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
Special weather statement, May 7, 5:08 PM CDT, 47 minutes before
IAZ020-031-043-NEZ094-095-096-SDZ066-072300- SPECIAL WEATHER STATEMENT...CORRECTED TYPO NATIONAL WEATHER SERVICE SIOUX CITY IA 508 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 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
Special weather statement, May 7, 5:08 PM CDT, 47 minutes before
IAZ020-031-043-NEZ094-095-096-SDZ066-072300- SPECIAL WEATHER STATEMENT...CORRECTED TYPO NATIONAL WEATHER SERVICE SIOUX CITY IA 508 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 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
Special weather statement, May 7, 5:30 PM CDT, 25 minutes before
SDZ004-005-010-011-012-016-080015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 530 PM CDT FRI MAY 7 1993 CENTRAL AND EAST CENTRAL SOUTH DAKOTA ...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT... THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE...ARE EXPECTED TONIGHT AS A LINE MOVES THROUGH THE AREA. VERY HEAVY RAIN AND STRONG GUSTY WIND ARE LIKELY WITH HAIL...DAMAGING WIND...AND TORNADOES POSSIBLE. PERSONS IN OR NEAR THE WATCH AREA NEED TO WATCH FOR SUDDEN CHANGES IN THE WEATHER AND STAY TUNED TO RADIO OR TELEVISION FOR STATEMENTS AND WARNINGS. SPRINGER
Special weather statement, May 7, 5:35 PM CDT, 20 minutes before
SDZ004-005-010-011-012-016-080015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HURON SD 530 PM CDT FRI MAY 7 1993 CENTRAL AND EAST CENTRAL SOUTH DAKOTA ...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM CDT... THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE...ARE EXPECTED TONIGHT AS A LINE MOVES THROUGH THE AREA. VERY HEAVY RAIN AND STRONG GUSTY WIND ARE LIKELY WITH HAIL...DAMAGING WIND...AND TORNADOES POSSIBLE. PERSONS IN OR NEAR THE WATCH AREA NEED TO WATCH FOR SUDDEN CHANGES IN THE WEATHER AND STAY TUNED TO RADIO OR TELEVISION FOR STATEMENTS AND WARNINGS. SPRINGER
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 5:07 PM CDT | Tornado Warning | FSD | Pipestone | 53 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.