Alert archive / Montana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 30, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Aug 1, 1996, 2:45 PM MDT for Missoula County, Montana. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 1, 1996, 2:45 PM MDT (20:45 UTC)
- Expired
- Aug 1, 1996, 3:30 PM MDT
- In force
- 45 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Missoula County, MT
The radar
The Missoula radar (KMSX), 5 km from the middle of the area, began a volume at 20:49 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 8.8 hours before the alert went out and 201 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
- 3260 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 95 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 KMSO 012042 SVRMSO MTC063-012130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 245 PM MDT THU AUG 1 1996 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 330 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MONTANA ...MISSOULA COUNTY AT 245 PM MDT...MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES WEST OF MISSOULA. THIS STORM IS MOVING TO THE EAST-NORTHEAST AT 30 MPH AND WILL MOVE OVER NORTHERN MISSOULA INTO THE RATTLESNAKE VALLEY BY 3 PM MDT. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS. BARKER
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.
NWS Missoula, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 1:41 PM MDT, 1 hour 4 minutes earlier.
Area forecast discussion, Aug 1, 1:41 PM MDT, 1 hour 4 minutes before
A FEW THUNDERSTORMS POPPED LATE THIS MORNING OVER NORTH CENTRAL IDAHO...NOW OVER WEST CENTRAL MONTANA. SPOTTER REPORT OF HALF INCH HAIL SOUTH OF HAMILTON (CONNER). ADDITIONAL DEVELOPMENT BEHIND CURRENT ACTIVITY. SO MENTIONING A FEW THUNDERSTORMS INTO EARLY EVENING OVER SOUTH PORTION OF AREA. STORMS MOVING FAST SO NOT GOING TO LAST TOO MUCH INTO EVENING HOURS. UPPER TROUGH DIGS AS IT MOVES INTO THE PACIFIC NORTHWEST ON FRIDAY. FRONTAL MOVEMENT ON MODELS SEEMS FAST AND EXPECT FRONT TO MOVE THROUGH NORTHERN IDAHO FRIDAY MORNING AND THROUGH REMAINDER OF WESTERN MONTANA BY EARLY AFTERNOON. NEAR FRONT QUITE DRY WITH COOL SOMEWHAT STABILE ATMOSPHERE. BEST MOISTURE/DYNAMICS COME WELL BEHIND FRONT WITH STRONG WAVE PUSHING THROUGH EARLY SATURDAY. QUITE COLD AIR ASSOCIATED WITH SYSTEM AS INDICATED BY ALL MODELS AND FREEZING LEVEL PLUMMET DOWN TO 8 KFT BY SATURDAY MORNING. MENTION OF SNOW OVER HIGHER MOUNTAINS WILL BE NECESSARY FRIDAY NIGHT. SINCE SUCH A BIT CHANGE COMING WILL ISSUE SPS THIS AFTERNOON FOR WESTERN MONTANA /NORTH CENTRAL IDAHO. BELTZ FCA -245 047/076/050/065 LIB 1345 048/075/048/064 POL 1244 052/078/054/066 MSO 1244 052/080/050/068 HMM 1133 053/082/050/070 FN/02
In the hours before
Special weather statement, Aug 1, 11:30 AM MDT, 3 hours 15 minutes before
IDZ009-010-011-012030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 1130 AM MDT (1030 AM PDT) THU AUG 1 1996 ...ISOLATED THUNDERSTORMS HAVE DEVELOPED OVER NORTH AND EAST CENTRAL IDAHO... AT 1130 AM MDT (1030 AM PDT)...MISSOULA DOPPLER RADAR INDICATED ISOLATED THUNDERSTORMS OVER SHOSHONE...CLEARWATER...IDAHO AND LEMHI COUNTIES IN NORTH AND EAST CENTRAL IDAHO. THE STRONGEST STORMS WERE OVER EASTERN IDAHO COUNTY IN THE SELWAY/BITTERROOT WILDERNESS. ALL OF THE STORMS ARE MOVING TO THE EAST-NORTHEAST AT 35 MPH AND MAY PRODUCE BRIEF GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATHER APPROACHES YOUR AREA MOVE INDOORS UNTIL THE STORMS HAVE PASSED. STAY TUNED FOR FURTHER UPDATES AND ADDITIONAL WEATHER INFORMATION. BELTZ
Special weather statement, Aug 1, 1:57 PM MDT, 48 minutes before
MTZ004-012130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 157 PM MDT THU AUG 1 1996 ...STRONG THUNDERSTORMS MOVING INTO DEER LODGE COUNTY... AT 157 PM MDT...MISSOULA DOPPLER WEATHER RADAR INDICATED A VERY STRONG THUNDERSTORM MOVING INTO DEER LODGE COUNTY. THIS STORM WAS MOVING TO THE EAST AT 35 MPH AND WILL MOVE THROUGH THE TOWNS OF ANACONDA AND WARM SPRINGS BY 230 PM MDT. VERY HEAVY RAIN...HAIL ...FREQUENT DEADLY LIGHTING AND STRONG GUSTY WINDS CAN BE EXPECTED WITH THIS STORM. WHEN THUNDERSTORMS ARE OCCURRING...THE SAFEST PLACE TO BE IS INDOORS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR FURTHER UPDATES AND ADDITIONAL WEATHER INFORMATION. BELTZ/BARKER
Nearby
Severe Thunderstorm Warnings in Montana, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.