Alert archive / Idaho / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 21, NWS Pocatello, ID

May 29, 2005Cassia County, Idaho

NWS Pocatello, ID issued this severe thunderstorm warning at May 29, 2005, 5:55 PM MDT for Cassia County, Idaho. It was in force for 65 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: May 29, 2005, 5:55 PM MDT (23:55 UTC)
Expired: May 29, 2005, 7:00 PM MDT
In force: 65 min
Issued by: NWS Pocatello, ID
Area: Counties, with a storm outline in the text

County Cassia County, ID

The radar

The Pocatello radar (KSFX), 99 km from the middle of the area, began a volume at 23:58 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

Elko, NV (KLKN), launched 12:00Z, 11.9 hours before the alert went out and 181 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1805 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 180 m²/s²
0-3 km storm-relative helicity: 255 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KPIH 292355
SVRPIH
IDC031-300100-
/O.NEW.KPIH.SV.W.0021.050529T2355Z-050530T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
555 PM MDT SUN MAY 29 2005

THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CASSIA COUNTY IN SOUTH CENTRAL IDAHO
  THIS INCLUDES THE CITIES OF...MALTA...IDAHOME...HEGLAR

* UNTIL 700 PM MDT

* AT 549 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  MALTA...AND MOVING NORTHEAST AT 5 MPH.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. 
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A 
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A 
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4232 11359 4217 11335 4243 11303 4261 11326

$$

SIMOSKO

WEATHER INFORMATION ON-LINE 24-HOURS A DAY
(ALL LOWER-CASE LETTERS)

WWW.WEATHER.GOV/POCATELLO

2 follow-up statements

000 
WWUS55 KPIH 300024
SVSPIH
IDC031-300100-
/O.CON.KPIH.SV.W.0021.000000T0000Z-050530T0100Z/

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
623 PM MDT SUN MAY 29 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 700 PM MDT FOR
NORTHEASTERN CASSIA COUNTY...

AT 615 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR MALTA...MOVING NORTHEAST AT 5 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SUBLETT...IDAHOME AND HEGLAR.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

LAT...LON 4231 11356 4216 11324 4243 11303 4261 11326

$$

SIMOSKO

WEATHER INFORMATION ON-LINE 24-HOURS A DAY
(ALL LOWER-CASE LETTERS)

WWW.WEATHER.GOV/POCATELLO

000 
WWUS55 KPIH 300100
SVSPIH
IDC031-300108-
/O.EXP.KPIH.SV.W.0021.000000T0000Z-050530T0100Z/

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO ID
700 PM MDT SUN MAY 29 2005

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CASSIA COUNTY
EXPIRED AT 700 PM MDT...

AT 659 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND
WAS NO LONGER SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4231 11356 4216 11324 4243 11303 4261 11326

$$

SIMOSKO

WEATHER INFORMATION ON-LINE 24-HOURS A DAY
(ALL LOWER-CASE LETTERS)

WWW.WEATHER.GOV/POCATELLO

The office that day

Everything else NWS Pocatello, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 28, 6:32 PM MDT	Severe Thunderstorm Warning	PIH	Caribou	28 min
May 29, 3:36 PM MDT	Severe Thunderstorm Warning	PIH	Cassia	69 min
May 29, 4:35 PM MDT	Severe Thunderstorm Warning	PIH	Cassia	55 min
May 29, 4:55 PM MDT	Tornado Warning	PIH	Cassia	20 min
May 29, 5:17 PM MDT	Tornado Warning	PIH	Cassia, Power	26 min
May 29, 5:26 PM MDT	Severe Thunderstorm Warning	PIH	Cassia	31 min
May 29, 5:59 PM MDT	Severe Thunderstorm Warning	PIH	Power	14 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2005 Every severe thunderstorm warning in 2005

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.