Alert archive / Montana / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 19, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at May 24, 2014, 5:39 PM MDT for Big Horn County, Montana; Sheridan County, Wyoming. It was in force for 51 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
- May 24, 2014, 5:39 PM MDT (23:39 UTC)
- Expired
- May 24, 2014, 6:30 PM MDT
- In force
- 51 min
- Issued by
- NWS Billings, MT
- Area
- Storm-based polygon
Counties Big Horn County, MT, Sheridan County, WY
The radar
The Billings radar (KBLX), 139 km from the middle of the area, began a volume at 23:42 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
Riverton, WY (KRIW), launched 12:00Z, 11.7 hours before the alert went out and 246 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
- 1456 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 May 24, 2:48 PM MDT, 2 hours 51 minutes earlier.
Area forecast discussion, May 24, 2:48 PM MDT, 2 hours 51 minutes before
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</html>Hazardous weather outlook, May 24, 2:53 PM MDT, 2 hours 46 minutes before
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</html>In the hours before
Special weather statement, May 24, 4:22 PM MDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BILLINGS MT 422 PM MDT SAT MAY 24 2014 MTZ031-038-057-058-242315- NORTHERN ROSEBUD MT-SOUTHERN ROSEBUD MT-NORTHERN BIG HORN MT- SOUTHERN BIG HORN MT- 422 PM MDT SAT MAY 24 2014 ...SIGNIFICANT WEATHER ADVISORY...... AT 421 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES WEST OF LAME DEER...OR 20 MILES SOUTHWEST OF COLSTRIP...MOVING NORTHWEST AT 15 MPH. HALF INCH HAIL WILL BE POSSIBLE WITH THIS STORM ALONG WITH TORRENTIAL RAINFALL. RAINFALL RATES OF AN INCH AN HOUR IS POSSIBLE WITH THIS STORM WHICH COULD CAUSE QUICK PONDING OF WATER ON AREA ROADWAYS AND RISES ON SMALL STREAMS AND CREEKS. LOCATIONS IMPACTED INCLUDE... LAME DEER AND BUSBY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4567 10663 4550 10676 4560 10720 4587 10697 TIME...MOT...LOC 2221Z 127DEG 11KT 4562 10683 TWH
Special weather statement, May 24, 5:30 PM MDT, 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BILLINGS MT 530 PM MDT SAT MAY 24 2014 MTZ038-WYZ099-250030- SOUTHERN BIG HORN MT-SHERIDAN FOOTHILLS WY- 530 PM MDT SAT MAY 24 2014 ...SIGNIFICANT WEATHER ADVISORY...... AT 528 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER RANCHESTER...OR 14 MILES NORTHWEST OF SHERIDAN...MOVING NORTHEAST AT 10 MPH. HALF INCH HAIL...VERY HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... RANCHESTER...DAYTON AND PARKMAN. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 4482 10725 4497 10734 4519 10700 4489 10679 TIME...MOT...LOC 2328Z 247DEG 10KT 4492 10720 TWH
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 6:02 PM MDT | Special Weather Statement | BYZ | Fallon | 43 min |
| May 23, 6:03 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River, Rosebud | 57 min |
| May 23, 6:21 PM MDT | Special Weather Statement | BYZ | 54 min | |
| May 23, 7:51 PM MDT | Special Weather Statement | BYZ | Stillwater | 54 min |
| May 24, 4:22 PM MDT | Special Weather Statement | BYZ | 53 min | |
| May 24, 5:55 PM MDT | Special Weather Statement | BYZ | Wheatland | 50 min |
| May 24, 5:58 PM MDT | Special Weather Statement | BYZ | Treasure | 47 min |
| May 24, 5:30 PM MDT | Special Weather Statement | BYZ | Sheridan | 60 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2014Severe Thunderstorm Warnings in Wyoming, 2014Every severe thunderstorm warning in 2014
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.