Alert archive / Idaho / Tornado Warnings in 2014
Tornado Warning 3, NWS Pocatello, ID
NWS Pocatello, ID issued this tornado warning at Aug 21, 2014, 3:10 PM MDT for Butte County, Idaho. It was in force for 50 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 21, 2014, 3:10 PM MDT (21:10 UTC)
- Expired
- Aug 21, 2014, 4:00 PM MDT
- In force
- 50 min
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
County Butte County, ID
The radar
The Pocatello radar (KSFX), 75 km from the middle of the area, began a volume at 21:12 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, 9.2 hours before the alert went out and 251 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
- 1570 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
166 WFUS55 KPIH 212110 TORPIH IDC023-212200- /O.NEW.KPIH.TO.W.0003.140821T2110Z-140821T2200Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE POCATELLO ID 310 PM MDT THU AUG 21 2014 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A * TORNADO WARNING FOR... CENTRAL BUTTE COUNTY IN EAST CENTRAL IDAHO... * UNTIL 400 PM MDT * AT 308 PM MDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER CENTRAL BUTTE COUNTY...OR NEAR ARCO...MOVING EAST AT 20 MPH. * LOCATIONS THAT COULD BE AFFECTED INCLUDE... RURAL CENTRAL BUTTE COUNTY... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION. TO REPORT SEVERE WEATHER ONLY...CALL 1 800 8 7 7 1 9 3 7. && LAT...LON 4378 11291 4360 11293 4364 11336 4377 11334 TIME...MOT...LOC 2110Z 280DEG 17KT 4367 11329 $$ HEDGES
2 follow-up statements
123 WWUS55 KPIH 212142 SVSPIH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 342 PM MDT THU AUG 21 2014 IDC023-212200- /O.CON.KPIH.TO.W.0003.000000T0000Z-140821T2200Z/ BUTTE ID- 342 PM MDT THU AUG 21 2014 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR CENTRAL BUTTE COUNTY... AT 338 PM MDT...NATIONAL WEATHER SERVICE RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED OVER CENTRAL BUTTE COUNTY...OR 9 MILES EAST OF ARCO...MOVING EAST AT 20 MPH. ALTHOUGH THE STORM HAS SHOWN SOME WEAKENING...ROTATION IS STILL BEING DETECTED. * LOCATIONS THAT COULD BE AFFECTED INCLUDE... RURAL CENTRAL BUTTE COUNTY... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION. TO REPORT SEVERE WEATHER ONLY...CALL 1 800 8 7 7 1 9 3 7. && LAT...LON 4378 11296 4361 11298 4364 11324 4376 11323 TIME...MOT...LOC 2140Z 275DEG 19KT 4368 11311 $$ HEDGES
089 WWUS55 KPIH 212202 SVSPIH SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 402 PM MDT THU AUG 21 2014 IDC023-212212- /O.EXP.KPIH.TO.W.0003.000000T0000Z-140821T2200Z/ BUTTE ID- 402 PM MDT THU AUG 21 2014 ...THE TORNADO WARNING FOR CENTRAL BUTTE COUNTY HAS EXPIRED... AT 402 PM MDT...WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORMS WHICH PROMPTED THE WARNING HAVE WEAKENED. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION. TO REPORT SEVERE WEATHER ONLY...CALL 1 800 8 7 7 1 9 3 7. && LAT...LON 4378 11296 4361 11298 4364 11324 4376 11323 TIME...MOT...LOC 2142Z 275DEG 19KT 4368 11310 $$ HEDGES
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 6:17 PM MDT | Special Weather Statement | PIH | Madison | 43 min |
| Aug 21, 1:03 PM MDT | Special Weather Statement | PIH | Butte | 42 min |
| Aug 21, 1:29 PM MDT | Flash Flood Warning | PIH | Butte, Custer | 2 hr |
| Aug 21, 1:51 PM MDT | Special Weather Statement | PIH | Custer | 54 min |
| Aug 21, 2:24 PM MDT | Special Weather Statement | PIH | Butte | 66 min |
| Aug 21, 3:01 PM MDT | Special Weather Statement | PIH | Butte | 44 min |
| Aug 21, 3:36 PM MDT | Severe Thunderstorm Warning | PIH | Jefferson | 39 min |
| Aug 21, 4:17 PM MDT | Special Weather Statement | PIH | Jefferson | 43 min |
| Aug 21, 5:02 PM MDT | Special Weather Statement | PIH | Jefferson | 43 min |
| Aug 21, 5:09 PM MDT | Severe Thunderstorm Warning | PIH | Jefferson, Madison | 51 min |
| Aug 21, 5:37 PM MDT | Severe Thunderstorm Warning | PIH | Jefferson, Madison | 38 min |
Nearby
Tornado Warnings in Idaho, 2014Every tornado warning in 2014Tornadoes 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.