Alert archive / Idaho / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Boise, ID
NWS Boise, ID issued this severe thunderstorm warning at Aug 14, 2015, 6:08 PM MDT for Jerome County, Twin Falls County, Idaho. It was in force for 23 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 14, 2015, 6:08 PM MDT (00:08 UTC)
- Expired
- Aug 14, 2015, 6:31 PM MDT
- In force
- 23 min
- Issued by
- NWS Boise, ID
- Area
- Storm-based polygon
Counties Jerome County, ID, Twin Falls County, ID
The radar
The Pocatello radar (KSFX), 135 km from the middle of the area, began a volume at 00:11 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 00:00Z, 0.1 hours before the alert went out and 182 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
- 108 J/kg
- Mixed-layer CIN
- -109 J/kg
- Mixed-layer LCL
- 3499 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
698
WUUS55 KBOI 150008
SVRBOI
IDC053-083-150100-
/O.NEW.KBOI.SV.W.0021.150815T0008Z-150815T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BOISE ID
608 PM MDT FRI AUG 14 2015
THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL JEROME COUNTY IN SOUTH CENTRAL IDAHO...
NORTHEASTERN TWIN FALLS COUNTY IN SOUTH CENTRAL IDAHO...
* UNTIL 700 PM MDT
* AT 607 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR KIMBERLY...OR NEAR TWIN FALLS...AND MOVING
NORTHEAST AT 40 MPH.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
EDEN AROUND 610 PM MDT.
MINIDOKA NATIONAL MONUMENT AROUND 620 PM MDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
WHEN SAFE TO DO SO...PLEASE RELAY STORM REPORTS TO THE NATIONAL
WEATHER SERVICE IN BOISE IDAHO VIA LOCAL LAW ENFORCEMENT...OR
NATIONAL WEATHER SERVICE BOISE FACEBOOK AND TWITTER ACCOUNTS.
&&
LAT...LON 4277 11406 4249 11432 4258 11453 4277 11441
4282 11437 4281 11435 4281 11429 4280 11405
TIME...MOT...LOC 0007Z 210DEG 36KT 4261 11438
$$
LC1 follow-up statement
372
WWUS55 KBOI 150031
SVSBOI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
631 PM MDT FRI AUG 14 2015
IDC053-083-150041-
/O.CAN.KBOI.SV.W.0021.000000T0000Z-150815T0100Z/
JEROME ID-TWIN FALLS ID-
631 PM MDT FRI AUG 14 2015
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JEROME AND
NORTHEASTERN TWIN FALLS COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.
WHEN SAFE TO DO SO...PLEASE RELAY STORM REPORTS TO THE NATIONAL
WEATHER SERVICE IN BOISE IDAHO VIA LOCAL LAW ENFORCEMENT...OR
NATIONAL WEATHER SERVICE BOISE FACEBOOK AND TWITTER ACCOUNTS.
LAT...LON 4277 11406 4249 11432 4258 11453 4277 11441
4282 11437 4281 11435 4281 11429 4280 11405
TIME...MOT...LOC 0026Z 210DEG 36KT 4281 11422
$$
LCThe office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 9:01 PM MDT | Special Weather Statement | BOI | Jerome | 29 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 2015Every severe thunderstorm warning in 2015
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.