Alert archive / Minnesota / Tornado Warnings in 1993
Tornado Warning 6, NWS Grand Forks, ND
NWS Grand Forks, ND issued this tornado warning at Jul 27, 1993, 4:56 PM CDT for Roseau County, Minnesota. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jul 27, 1993, 4:56 PM CDT (21:56 UTC)
- Expired
- Jul 27, 1993, 6:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Roseau County, MN
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 9.9 hours before the alert went out and 186 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
- 3 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 128 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 272200 COR TORINL MNC135-272300- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE INTERNATIONAL FALLS MN 456 PM CDT TUE JUL 27 1993 THE NATIONAL WEATHER SERVICE IN INTERNATIONAL FALLS HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 600 PM CDT FOR PERSONS IN THE FOLLOWING LOCATION... IN NORTHWEST MINNESOTA ...WESTERN ROSEAU COUNTY AT 450 PM CDT A RADAR INDICATED SEVERE THUNDERSTORM WITH SEVERAL REPORTS OF TORNADOS IN NORTH CENTRAL MARSHALL COUNTY OR 46 MILES SOUTHWEST OF WARROAD. THESE STORMS ARE MOVING NORTHEAST AT 30 MPH INTO WESTERN ROSEAU COUNTY. THE TOWNS OF GREENBUSH...STRATHCONA...BADGER...HAUG AND ROSEAU. THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT. 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, Jul 27, 2:50 PM CDT, 2 hours 6 minutes before
NDZ012-013-014-015-016-017-018-MNZ001-006-007-010-011-013-272045- SPECIAL WEATHER STATEMENT FOR COLD AIR FUNNELS NATIONAL WEATHER SERVICE FARGO ND 245 PM CDT TUE JULY 27 1993 ...COLD AIR FUNNELS REPORTED OVER JUST NORTHWEST OF LAKOTA IN NELSON COUNTY AND IN THE MCCANNA AREA OF WESTERN GRAND FORKS COUNTY... AT 230 PM CDT REPORTS OF COLD AIR FUNNELS WERE RECEIVED AT THE NATIONAL WEATHER SERVICE OFFICE IN FARGO NORTH DAKOTA. THESE COLD AIR FUNNELS WERE REPORTED BY THE LOCAL LAW ENFORCEMENT AGENCIES. THEY ARE CURRENTLY WATCHING THESE COLD AIR FUNNELS AND WARNINGS WILL BE ISSUED IF NECESSARY. COLD AIR FUNNELS ARE NOT ASSOCIATED WITH SEVERE THUNDERSTORMS AS ARE THE TYPE OF FUNNEL CLOUD THAT PRODUCES A TORNADO. COLD AIR FUNNELS ARE FORMED BY THUNDERSTORMS AND RAINSHOWERS WHEN UNIQUE METEOROLOGICAL CIRCUMSTANCES ARE MET. BENNETT
Local storm report, Jul 27, 3:44 PM CDT, 1 hour 12 minutes before
STORM REPORTS NATIONAL WEATHER SERVICE FARGO ND 340 PM CDT TUE JUL 27 1993 TIME EVENT 335PM TORNADO TOUCHDOWN JUST EAST OF MINTO ND...ABOUT 30 MILES NORTH OF GRAND FORKS. REPORTED BY WALSH COUNPTY SHERIFF. NO DAMAGE ESTIMATE REPORTED. BENNETT
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 3:53 PM CDT | Tornado Warning | FGF | Kittson, Marshall | 67 min |
| Jul 27, 4:40 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 65 min |
| Jul 27, 4:44 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 61 min |
| Jul 27, 4:58 PM CDT | Tornado Warning | FGF | Kittson, Marshall | 62 min |
| Jul 27, 5:45 PM CDT | Tornado Warning | FGF | Roseau | 60 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.