Alert archive / Minnesota / Tornado Warnings in 1993
Tornado Warning 1, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jun 21, 1993, 8:20 PM CDT for Clearwater County, Minnesota. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1993, 8:20 PM CDT (01:20 UTC)
- Expired
- Jun 21, 1993, 8:45 PM CDT
- In force
- 25 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Clearwater County, MN
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 1.3 hours before the alert went out and 190 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
- 2564 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 96 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 KINL 220120 TORINL MNC029-220145- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 820 PM CDT MON JUN 21 1993 THE NATIONAL WEATHER SERVICE IN INTERNATIONAL FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 845 PM CDT FOR PERSONS IN THE FOLLOWING LOCATION... IN NORTHWEST MINNESOTA ...CLEARWATER COUNTY AT 816 PM CDT THE PUBLIC REPORTED A POSSIBLE TORNADO ON THE GROUND 4 MILES SOUTH OF BAGLEY WHICH IS 26 MILES WEST OF BEMIDJI. DUE TO THE RECENT DEVELOPMENT OF THIS STORM NO MOVEMENT HAD BEEN DETECTED. PERSONS IN THE TOWNS OF BAGLEY AND SHEVLIN SHOULD TAKE COVER IMMEDIATLY. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. DUKESHERER NNNN
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, Jun 21, 5:33 PM CDT, 2 hours 47 minutes before
NDZ016-017-018-MNZ001-006-010-212345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 533 PM CDT MON JUN 21 1993 ...INTENSE THUNDERSTORMS DEVELOP OVER EAST CENTRAL NORTH DAKOTA... AT 530 PM CDT A SMALL AREA OF THUNDERSTORMS...SOME OF THEM INTENSE... HAD DEVELOPED OVER EAST CENTRAL NORTH DAKOTA BETWEEN FARGO AND GRAND FORKS. THE STRONGEST THUNDERSTORMS WERE 35 TO 45 MILES NORTH- NORTHWEST OF FARGO IN THE HOPE/COLGATE/PAGE AREAS. THESE THUNDERSTORMS WERE DRIFTING SOUTH AROUND 5 MILES AN HOUR. ATMOSPHERIC CONDITIONS SUGGEST THESE STORMS WILL CONTINUE QUITE STRONG INTO THE EVENING HOURS. LOCALLY TORRENTIAL RAINS...HAIL...AS WELL AS DEADLY LIGHTNING AND BRIEF WIND GUSTS TO NEAR 50 MILES AN HOUR ARE POSSIBLE WITH THE STRONGER STORMS. THIS AREA OF STORMS SHOULD CONTINUE TO DRIFT SOUTHWARD AND AFFECT THE PAGE/PILLSBURY/HUNTER AND ARTHUR AREAS THROUGH 630 PM CDT. EWENS
Special weather statement, Jun 21, 6:33 PM CDT, 1 hour 47 minutes before
NDZ016-017-018-MNZ001-006-010-220045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE FARGO ND 633 PM CDT MON JUN 21 1993 ...ISOLATED INTENSE THUNDERSTORMS OVER EAST CENTRAL NORTH DAKOTA... AT 630 PM CDT A SMALL AREA OF THUNDERSTORMS...SOME OF THEM INTENSE... CONTINUED OVER EAST CENTRAL NORTH DAKOTA BETWEEN FARGO AND DEVILS LAKE. THE STRONGEST THUNDERSTORMS WERE 35 MILES NORTHEAST OF JAMESTOWN IN THE COOPERSTOWN AREA. THESE THUNDERSTORMS WERE STATIONARY. ATMOSPHERIC CONDITIONS SUGGEST THESE STORMS WILL CONTINUE QUITE STRONG INTO THE EVENING HOURS. LOCALIZED TORRENTIAL RAINS...HAIL...AS WELL AS DEADLY LIGHTNING AND BRIEF WIND GUSTS TO NEAR 50 MILES AN HOUR ARE POSSIBLE WITH THE STRONGER STORMS. THUNDERSTORMS ARE EXPECTED TO DEVELOP RAPIDLY AND DISSIPATE QUICKLY...WITH THE GREATEST LIKELIHOOD OF STORMS ALONG AND JUST SOUTH OF NORTH DAKOTA STATE HIWAY 200 BETWEEN CARRIGNTON AND HILLSBORO. A FEW THUNDERSTORVMS ARE POSSIBLE ON THE MINNESOTA SIDE OF THE RIVER THIS EVENING ALSO. EWENS
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.