Alert archive / Montana / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 2, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at May 27, 1994, 4:49 PM MDT for Fergus County, Montana. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1994, 4:49 PM MDT (22:49 UTC)
- Expired
- May 27, 1994, 5:30 PM MDT
- In force
- 41 min
- Issued by
- NWS Great Falls, MT
- Area
- Whole counties
County Fergus County, MT
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 10.8 hours before the alert went out and 106 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
- 1569 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 29 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 KGTF 272249 SVRGTF MTC027-272330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREAT FALLS MT 449 PM MDT FRI MAY 27 1994 THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MONTANA ...FERGUS COUNTY AT 440 PM MST RADAR AND SATELLLITE INDICATED A LINE OF STRONG THUNDERSTORMS FROM EASTERN CHOUTEAU COUNTY SOUTH TO WESTERN FERGUS COUNTY. THE LINE OF THUNDERSTORMS WAS MOVING NORTHEAST AT AROUND 35 MPH. AT 430 PM MST AIR FORCE OBSERVERS JUST NORTHEAST OF DENTON IN WESTERN FERGUS COUNTY REPORTED WIND GUSTS TO 68 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVNE INTO AREAS WHERE WATER COVERS THE ROAD. NOLL
What forecasters said that day
The local office's own words before this severe thunderstorm 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 27, 1:18 PM MDT, 3 hours 31 minutes before
MTZ004-272015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HELENA MT 120 PM MDT FRI MAY 27 1994 ...THUNDERSTORMS DEVELOPING ACROSS PORTIONS OF SOUTHWEST MONTANA... AT 115 P.M., SCATTERED SHOWERS AND THUNDERSTORMS WERE INCREASING OVER SOUTHWEST MONTANA. THE STRONGEST STORM WAS LOCATED OVER NORTHERN MADISON COUNTY, 20 MILES SOUTHEAST OF BUTTE. THIS STORM HAS PRODUCED SMALL HAIL GUSTY WINDS AND BRIEF HEAVY RAIN IN THE PAST HOUR IN NORTHERN MADISON COUNTY. THIS THUNDERSTORM IS MOVING NORTHEAST AT 25 MPH AND WILL MOVE IN SOUTHERN JEFFERSON AND BROADWATER COUNTIES WITHIN THE NEXT 30 MINUTES. THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON AS A COLD FRONT APPROACHES FROM THE WEST. THESE STORMS WILL HAVE THE POTENTIAL OF PRODUCING SMALL HAIL, DANGEROUS LIGHTNING, GUSTY WINDS AND BRIEF HEAVY RAIN. PERSONS OUT BOATING OR WITH OTHER OUTDOOR INTEREST SHOULD SEEK SHELTER WHEN A STORM IS APPROACHING. STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS THIS AFTERNOON AS STORMS CAN DEVELOP AND APPROACH RAPIDLY. STAY TUNED TO THIS SOURCE FOR THE LASTEST WEATHER STATEMENTS OR POSSIBLE WARNINGS. FOSTER &
Special weather statement, May 27, 2:38 PM MDT, 2 hours 11 minutes before
MTZ004-272245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HELENA MT 241 PM MDT FRI MAY 27 1994 ...THUNDERSTORMS MOVING THROUGH SOUTHWEST MONTANA... AT 235 P.M., SHOWERS AND SCATTERED THUNDERSTORMS WERE COVERING MUCH OF SOUTHWEST MONTANA. THE STRONGEST STORMS WERE LOCATED FROM CANYON FERRY LAKE IN EASTERN BROADWATER COUNTY SOUTHEAST INTO NORTHERN GALLATIN COUNTY NEAR BOZEMAN. THESE STORMS HAVE PRODUCED SMALL HAIL UP TO ONE HALF INCH, STRONG GUSTY WINDS, DANGEROUS LIGHTNING AND BRIEF HEAVY RAIN AS THEY MOVED THROUGH WHITEHALL AND TOWNSEND DURING THE PAST HOUR. THESE STORMS WILL CONTINUE MOVING NORTHEAST AT 25 MPH INTO MEAGHER COUNTY. SHOWERS AND SCATTERED THUNDERSTORMS WILL CONTINUE FOR THE NEXT FEW HOURS AS A COLD FRONT MOVES THROUGH SOUTHWEST MONTANA. A FEW THUNDERSTORMS COULD PRODUCE SMALL HAIL AND STRONG GUSTY WINDS. STAY ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS THIS AFTERNOON AND SEEK SHELTER WHEN A STOfRM IS APPROACHING. STAY TUNED TO THIS SOURCE FOR THE LASTEST WEATHER INFORMATION. FOSTER &
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 5:48 PM MDT | Severe Thunderstorm Warning | TFX | Blaine | 57 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1994Every severe thunderstorm warning in 1994
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.