Alert archive / Montana / Special Weather Statements in 2014
Special Weather Statement, NWS Missoula, MT
NWS Missoula, MT issued this special weather statement at Aug 20, 2014, 1:21 AM MDT for Missoula County, Montana. It was in force for 84 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 20, 2014, 1:21 AM MDT (07:21 UTC)
- Expired
- Aug 20, 2014, 2:45 AM MDT
- In force
- 84 min
- Issued by
- NWS Missoula, MT
County Missoula County, MT
The radar
The Missoula radar (KMSX), 37 km from the middle of the area, began a volume at 07:24 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 00:00Z, 7.4 hours before the alert went out and 183 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
- 414 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 2685 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
048
WWUS85 KMSO 200721
SPSMSO
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
121 AM MDT WED AUG 20 2014
IDZ005-006-MTZ004>006-043-200845-
NORTHERN CLEARWATER MOUNTAINS-SOUTHERN CLEARWATER MOUNTAINS-
BITTERROOT/SAPPHIRE MOUNTAINS-LOWER CLARK FORK
REGION-MISSOULA/BITTERROOT VALLEYS-POTOMAC/SEELEY LAKE REGION-
121 AM MDT WED AUG 20 2014
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN CLEARWATER...NORTHEASTERN
IDAHO...NORTHERN RAVALLI...SOUTHWESTERN MISSOULA AND SOUTHEASTERN
MINERAL COUNTIES UNTIL 245 AM MDT/145 AM PDT/...
AT 1212 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 24 MILES SOUTHWEST OF LOLO CREEK BURN AREA...OR
37 MILES NORTHWEST OF HAMILTON...MOVING NORTHEAST AT 20 MPH.
WIND GUSTS UP TO 25 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN, LIGHTNING AND SMALL HAIL.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...MISSOULA...LOLO CREEK
BURN AREA...ANDERSON GULCH IN THE LOLO CREEK BURN...LOLO...
FRENCHTOWN...EAST MISSOULA...LOLO PASS AND LOLO HOT SPRINGS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF THREATENING WEATHER APPROACHES YOUR AREA...GO INDOORS AND STAY
AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...MOVE TO A WELL
PROTECTED AREA.
&&
LAT...LON 4706 11422 4698 11399 4677 11378 4634 11485
4671 11507
TIME...MOT...LOC 0720Z 237DEG 16KT 4661 11472
$$The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 7:13 PM MDT | Special Weather Statement | MSO | Lincoln | 32 min |
| Aug 19, 7:37 PM MDT | Special Weather Statement | MSO | Lincoln | 23 min |
| Aug 19, 8:59 PM MDT | Special Weather Statement | MSO | Sanders | 31 min |
| Aug 19, 9:33 PM MDT | Special Weather Statement | MSO | Sanders | 27 min |
| Aug 19, 10:19 PM MDT | Special Weather Statement | MSO | Sanders | 26 min |
| Aug 19, 10:59 PM MDT | Special Weather Statement | MSO | Lake | 61 min |
| Aug 20, 5:04 PM MDT | Special Weather Statement | MSO | Flathead | 41 min |
Nearby
Special Weather Statements in Montana, 2014Every special weather statement 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.