Alert archive / Montana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 14, 1996, 2:39 PM MDT for Beaverhead County, Montana. It was in force for 51 min. 1 report 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
- Jun 14, 1996, 2:39 PM MDT (20:39 UTC)
- Expired
- Jun 14, 1996, 3:30 PM MDT
- In force
- 51 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Beaverhead County, MT
The radar
The Pocatello radar (KSFX), 226 km from the middle of the area, began a volume at 20:38 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 14, 3:30 PM MDT | Hail 0.75 | Red Rock Lakes, MT |
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.
The nearest sounding before it
Great_falls, MT (KTFX), launched 12:00Z, 8.7 hours before the alert went out and 313 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
- 2390 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 195 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 142043 SVRMSO MTC001-142130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 239 PM MDT FRI JUN 14 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 SOUTHWEST MONTANA ...SOUTHERN BEAVERHEAD COUNTY AT 240 PM MDT DOPPLER WEATHER RADAR IN POCATELLO IDAHO INDICATES A SEVERE THUNDERSTORM ALONG THE MONTANA/IDAHO BORDER 10 MILES EAST OF THE TOWN OF MONIDA. THE STORM IS MOVING NORTHEAST AT 10 MPH AND WILL MOVE INTO THE RED ROCK LAKES NATIONAL WILDLIFE REFUGE OVER THE NEXT 45 MINUTE 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 Jun 14, 1:58 PM MDT, 41 minutes earlier.
Area forecast discussion, Jun 14, 1:58 PM MDT, 41 minutes before
88D SHOWING LINE OF SHOWERS ACROSS GRANITE AND SOUTHERN POWELL COUNTIES. SAT PICS SHOW CU DEVELOPING OVER NORTHWEST MONTANA DO NOT EXPECT MUCH IN THIS AREA AS ATMS IS MORE STABLE...HOWEVER SOUTH OF THE S/WV OVER BEAVERHEAD...DEER LODGE AND SILVER BOW EXPECTING SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP. A LINE OF STRONG STORMS HAS STARTED OVER SOUTHERN BEAVERHEAD COUNTY ATTM...AS CAN BE SEEN ON PIH RADAR. MODELS SHOW WEAK S/WV MOVING ACROSS CWA OVER THE NEXT 36 HOURS AND WITH UNSTABLE ATMS WILL GO WITH A FEW TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ACTIVITY. BEST AREA OF EXPECTED DEVELOPMENT TOMORROW WILL BE OVER THE DIVIDE IN GLACIER PARK AND SOUTHWARD ALONG THE DIVIDE AND THEN MOST OF SOUTHWEST MONTANA AND LEMHI COUNTY OF IDAHO. TEMPS WILL BE WARM AGAIN TONIGHT...HOWEVER WITH MORE CLOUD COVER TOMORROW WILL NOT GO TO MUCH WARMER ON HIGHS. SUNDAY NOT LOOKING FOR MUCH...MAINLY AFTERNOON MOUNTAIN VARIETY THUNDERSTORMS A LITTLE MORE STABLE...AND DO NOT SEE ANY WEAK S/WVS AT THIS TIME FOR SUNDAY. WILL CONTINUE FLOOD WARNINGS FOR THE BITTERROOT FOR DARBY TO FLORENCE IN MONTANA AND FOR THE SALMON AT SALMON IN IDAHO... TC FCA 2322 050/078/048/080 LIB 1211 051/083/049/083 POL 2212 050/078/048/078 MSO 2212 052/082/050/084 HMM 2432 051/084/051/084 FN/04
In the hours before
Special weather statement, Jun 14, 2:00 PM MDT, 39 minutes before
MTZ004-142130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 150 PM MDT FRI JUN 14 1996 ...THUNDERSTORMS MOVING INTO SOUTHERN BEAVERHEAD COUNTY THIS AFTERNOON... AT 140 PM...MISSOULA DOPPLER RADAR AND SATELLITE INDICATED THUNDERSTORMS FORMING OVER EASTERN IDAHO EARLIER TODAY WERE HEADING INTO SOUTHERN BEAVERHEAD COUNTY AND MOVING NORTHEAST AT 25 MPH. THESE STORMS WILL LIKELY CONTINUE INTO THE EVENING HOURS...BRINGING BRIEF RAINFALL...GUSTY WINDS...AND POSSIBLE SMALL HAIL TO THE TOWNS OF LIMA AND MONIDA. WHEN THUNDERSTORMS APPROACH...SEEK SHELTER INDOOR. REMEMBER THUNDERSTORMS PRODUCE LIGHTNING THAT CAN KILL. HARMER
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 4:46 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 44 min |
| Jun 14, 5:30 PM MDT | Severe Thunderstorm Warning | MSO | Beaverhead | 45 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.