Alert archive / Montana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 37, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Sep 13, 1996, 2:45 PM MDT for Sanders 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
- Sep 13, 1996, 2:45 PM MDT (20:45 UTC)
- Expired
- Sep 13, 1996, 3:30 PM MDT
- In force
- 45 min
- Issued by
- NWS Missoula, MT
- Area
- Whole counties
County Sanders County, MT
The radar
The Missoula radar (KMSX), 111 km from the middle of the area, began a volume at 20:48 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 95 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
- 1167 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMSO 132044 SVRMSO MTC089-132130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MISSOULA MT 245 PM MDT FRI SEP 13 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 ...CENTRAL SANDERS COUNTY AT 243PM MDT MISSOULA DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM IN SANDERS COUNTY...ALONG THE MINERAL AND SANDERS COUNTY LINE. THIS STORM WAS MOVING TO THE NORTHNORTHEAST AT 25 MILES AN HOUR AND SHOULD MOVE 10 MILES WEST OF PLAINS NEAR WEEKSVILLE BY 315PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. BAILEY
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 Sep 13, 2:03 PM MDT, 42 minutes earlier.
Area forecast discussion, Sep 13, 2:03 PM MDT, 42 minutes before
88D SHOWING A FEW 45 DBZ ECHOES DEVELOPING OVER THE BITTERROOTS AND NORTHERN LEMHI COUNTY IN ID. ELSEWHERE A FEW LIGHT SHOWERS HAVE DEVELOPED OVER WESTERN SANDERS AND SOUTHERN LINCOLN COUNTY IN MT. WV IMAGERY SHOWING ANOTHER BAROCLINIC BAND...SE WASHINGTON DOWN INTO SOUTH CENTRAL ID MOVING NORTH NORTHEAST. A FEW SHOWERS AND -TSRA HAVE DEVELOP ALONG THIS BAND. AS UPPER 5H TROUGH APPROACHES THE FORECAST AREA TONIGHT AND SATURDAY A SERIES OF S/WVS WILL MOVE THROUGH. FIRST S/WV TO MOVE THROUGH TONIGHT IS FORECASTED TO BE WEAK...HOWEVER IT DOES HAVE GOOD MOISTURE TO WORK WITH. SATURDAY FIRST S/WV EXITS THE AREA SO LOWERING POPS SATURDAY. SECOND STRONGER S/WV COMES THROUGH SATURDAY NIGHT INTO SUNDAY...TIMING IS SOMEWHAT UNDETERMINED ATTM. JET BEGINNING TO PICKUP BETTER MOISTURE BACK AT 160W WHICH MAY BECOME INVOLVED IN SYSTEM ON SUNDAY...WORTH WATCHING THAT. THICKNESS AND TEMPS SLOWLY DROP INTO THE WEEKEND. SATURDAY MAY HAVE BIG ENOUGH BREAK BETWEEN SYSTEMS THAT SKIES MAY ALLOW ENOUGH BREAKS IN OVERCAST FOR SLIGHTLY WARMER TEMPS THAN PREVIOUS FCST. SUNDAYS TEMPS...WENT CLOSER TO MOS DUE TO CONTINUED COOLING AND BETTER CHANCES OF PRECIP. TC FCA 5466 048/067/046/065 LIB 5466 048/066/046/066 POL 5466 050/069/048/067 MSO 5456 050/070/048/068 HMM 5456 051/072/049/070 FN/29
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 4:15 PM MDT | Severe Thunderstorm Warning | MSO | Mineral, Missoula | 45 min |
| Sep 13, 4:25 PM MDT | Severe Thunderstorm Warning | MSO | Missoula | 50 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.