Alert archive / Idaho / Flash Flood Warnings in 2013
Flash Flood Warning 7, NWS Missoula, MT
NWS Missoula, MT issued this flash flood warning at Aug 9, 2013, 3:54 PM MDT for Lemhi County, Idaho. It was in force for 96 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 9, 2013, 3:54 PM MDT (21:54 UTC)
- Expired
- Aug 9, 2013, 5:30 PM MDT
- In force
- 96 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
- Flood severity
- None
County Lemhi County, ID
The radar
The Missoula radar (KMSX), 196 km from the middle of the area, began a volume at 21:54 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
Boise Airport, ID (KBOI), launched 12:00Z, 9.9 hours before the alert went out and 234 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
- 55 J/kg
- Mixed-layer CIN
- -512 J/kg
- Mixed-layer LCL
- 2499 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
288
WGUS55 KMSO 092154
FFWMSO
IDC059-092330-
/O.NEW.KMSO.FF.W.0007.130809T2154Z-130809T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
354 PM MDT FRI AUG 9 2013
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
COLSON CREEK IN THE MUSTANG BURN...OWL CREEK IN THE MUSTANG BURN IN
NORTHWESTERN LEMHI COUNTY IN EAST CENTRAL IDAHO...
* UNTIL 530 PM MDT.
* AT 349 PM MDT...DOPPLER RADAR AND SPOTTER REPORTS HAVE INDICATED
HEAVY RAIN WHICH COULD PRODUCE FLASH FLOODING OVER THE WARNED AREA.
* LOCATIONS IMPACTED INCLUDE...COLSON CREEK IN THE MUSTANG BURN AND
OWL CREEK IN THE MUSTANG BURN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING...MUD AND DEBRIS FLOWS ARE
IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER
GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
&&
LAT...LON 4520 11466 4530 11459 4530 11461 4534 11467
4545 11468 4546 11447 4545 11435 4519 11435
$$
DICKERSON1 follow-up statement
358
WGUS75 KMSO 092326
FFSMSO
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
526 PM MDT FRI AUG 9 2013
IDC059-092336-
/O.EXP.KMSO.FF.W.0007.000000T0000Z-130809T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEMHI ID-
526 PM MDT FRI AUG 9 2013
...THE FLASH FLOOD WARNING WILL EXPIRE AT 530 PM MDT/430 PM PDT/ FOR
NORTHWESTERN LEMHI COUNTY...
THE STORMS WHICH PRODUCED HEAVY RAINFALL OVER THE MUSTANG BURN AREA
HAVE SINCE MOVED NORTH AND NO ADDITIONAL SIGNIFICANT PRECIPITATION
IS EXPECTED THIS EVENING.
LAT...LON 4520 11466 4530 11459 4530 11461 4534 11467
4545 11468 4546 11447 4545 11435 4519 11435
$$
DICKERSONThe office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 2:17 PM MDT | Special Weather Statement | MSO | Lemhi | 43 min |
Nearby
Flash Flood Warnings in Idaho, 2013Every flash flood warning in 2013
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.