Alert archive / Idaho / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 21, NWS Boise, ID
NWS Boise, ID issued this severe thunderstorm warning at Aug 12, 2014, 3:00 PM MDT for Elmore County, Idaho. It was in force for 45 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 12, 2014, 3:00 PM MDT (21:00 UTC)
- Expired
- Aug 12, 2014, 3:45 PM MDT
- In force
- 45 min
- Issued by
- NWS Boise, ID
- Area
- Storm-based polygon
County Elmore County, ID
The radar
The Boise radar (KCBX), 60 km from the middle of the area, began a volume at 21:04 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, 9.0 hours before the alert went out and 61 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
- 2466 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
302 WUUS55 KBOI 122100 SVRBOI IDC039-122145- /O.NEW.KBOI.SV.W.0021.140812T2100Z-140812T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BOISE ID 300 PM MDT TUE AUG 12 2014 THE NATIONAL WEATHER SERVICE IN BOISE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL ELMORE COUNTY IN SOUTHWEST IDAHO... * UNTIL 345 PM MDT * AT 300 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR MOUNTAIN HOME...AND MOVING NORTHEAST AT 25 MPH. * THIS SEVERE THUNDERSTORM WILL BE NEAR... TOLLGATE AROUND 310 PM MDT. ANDERSON DAM AROUND 330 PM MDT. PINE...ANDERSON RANCH RESERVOIR AND LITTLE CAMAS RESERVOIR AROUND 340 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 NWS BOISE FACEBOOK AND TWITTER ACCOUNTS. && LAT...LON 4316 11564 4324 11575 4358 11549 4340 11516 TIME...MOT...LOC 2100Z 218DEG 22KT 4322 11567 $$ JDS
2 follow-up statements
843 WWUS55 KBOI 122119 SVSBOI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 319 PM MDT TUE AUG 12 2014 IDC039-122145- /O.CON.KBOI.SV.W.0021.000000T0000Z-140812T2145Z/ ELMORE ID- 319 PM MDT TUE AUG 12 2014 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM MDT FOR CENTRAL ELMORE COUNTY... AT 319 PM MDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR ANDERSON DAM...OR 16 MILES NORTHEAST OF MOUNTAIN HOME...MOVING NORTHEAST AT 30 MPH. THIS SEVERE STORM WILL BE NEAR... ANDERSON DAM...ANDERSON RANCH RESERVOIR AND LITTLE CAMAS RESERVOIR AROUND 325 PM MDT. PINE AROUND 340 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. WHEN SAFE TO DO SO...PLEASE RELAY STORM REPORTS TO THE NATIONAL WEATHER SERVICE IN BOISE IDAHO VIA LOCAL LAW ENFORCEMENT...OR NWS BOISE FACEBOOK AND TWITTER ACCOUNTS. && LAT...LON 4323 11553 4332 11569 4358 11549 4340 11516 TIME...MOT...LOC 2119Z 215DEG 27KT 4335 11555 $$ JDS
217
WWUS55 KBOI 122140
SVSBOI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
340 PM MDT TUE AUG 12 2014
IDC039-122150-
/O.EXP.KBOI.SV.W.0021.000000T0000Z-140812T2145Z/
ELMORE ID-
340 PM MDT TUE AUG 12 2014
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ELMORE COUNTY WILL
EXPIRE AT 345 PM MDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
WHEN SAFE TO DO SO...PLEASE RELAY STORM REPORTS TO THE NATIONAL
WEATHER SERVICE IN BOISE IDAHO VIA LOCAL LAW ENFORCEMENT...OR NWS
BOISE FACEBOOK AND TWITTER ACCOUNTS.
LAT...LON 4323 11553 4332 11569 4358 11549 4340 11516
TIME...MOT...LOC 2136Z 218DEG 22KT 4335 11555
$$
JDSThe office that day
Everything else NWS Boise, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 12:41 PM MDT | Special Weather Statement | BOI | Ada, Canyon | 49 min |
| Aug 12, 2:30 PM MDT | Special Weather Statement | BOI | Elmore | 45 min |
| Aug 12, 2:35 PM MDT | Special Weather Statement | BOI | Twin Falls | 40 min |
| Aug 12, 3:27 PM MDT | Severe Thunderstorm Warning | BOI | Elmore, Gooding | 48 min |
| Aug 12, 3:36 PM MDT | Severe Thunderstorm Warning | BOI | Gooding, Jerome, Owyhee, Twin Falls | 39 min |
| Aug 12, 4:09 PM MDT | Special Weather Statement | BOI | Camas | 51 min |
| Aug 12, 4:11 PM MDT | Severe Thunderstorm Warning | BOI | Camas, Gooding | 49 min |
| Aug 12, 4:42 PM MDT | Special Weather Statement | BOI | Twin Falls | 48 min |
| Aug 12, 4:59 PM MDT | Special Weather Statement | BOI | Camas | 46 min |
| Aug 12, 5:28 PM MDT | Special Weather Statement | BOI | Jerome, Twin Falls | 62 min |
| Aug 12, 5:37 PM MDT | Severe Thunderstorm Warning | BOI | Gooding, Jerome, Twin Falls | 25 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 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.