Alert archive / Montana / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 27, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jul 7, 2003, 9:17 PM MDT for Carter County, Montana. It was in force for 58 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
- Jul 7, 2003, 9:17 PM MDT (03:17 UTC)
- Expired
- Jul 7, 2003, 10:15 PM MDT
- In force
- 58 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Carter County, MT
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 3.3 hours before the alert went out and 207 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
- 210 J/kg
- Mixed-layer CIN
- -249 J/kg
- Mixed-layer LCL
- 2089 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
832 WUUS55 KBYZ 080317 SVRBYZ MTC011-080415- BULLETIN - EAS BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BILLINGS MT 916 PM MDT MON JUL 7 2003 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL CARTER COUNTY IN SOUTHEAST MONTANA * UNTIL 1015 PM MDT * AT 916 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES SOUTHWEST OF RIDGEWAY...OR ABOUT 35 MILES EAST OF BROADUS...MOVING NORTHEAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RIDGEWAY BY 935 PM MDT. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. $$ LAT...LON 4542 10482 4523 10465 4541 10410 4564 10420
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 Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 7, 8:48 PM MDT, 29 minutes earlier.
Area forecast discussion, Jul 7, 8:48 PM MDT, 29 minutes before
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</html>Hazardous weather outlook, Jul 7, 5:00 AM MDT, 16 hours 17 minutes before
MTZ028>042-056>058-WYZ098-099-081100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BILLINGS MT 500 AM MDT MON JUL 7 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL...SOUTHEAST MONTANA AND NORTH CENTRAL WYOMING. .DAY ONE... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAY TWO THROUGH SEVEN... AN UPPER LEVEL DISTURBANCE WILL PUSH ACROSS SOUTHERN MONTANA AND NORTH CENTRAL WYOMING TUESDAY AFTERNOON INTO TUESDAY NIGHT. THUNDERSTORMS WILL BE POSSIBLE WITH THE DISTURBANCE. A FEW THUNDERSTORMS MAY BECOME SEVERE...PRODUCING LARGE HAIL AND DAMAGING WINDS. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. JZ
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:10 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 65 min |
| Jul 7, 9:50 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| Jul 7, 11:48 PM MDT | Severe Thunderstorm Warning | BYZ | Carbon | 27 min |
| Jul 8, 2:49 PM MDT | Severe Thunderstorm Warning | BYZ | Big Horn | 56 min |
| Jul 8, 3:35 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 55 min |
| Jul 8, 4:52 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 53 min |
| Jul 8, 5:02 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 58 min |
| Jul 8, 5:13 PM MDT | Severe Thunderstorm Warning | BYZ | Carter | 62 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2003Every severe thunderstorm warning in 2003
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.