Alert archive / Idaho / Special Weather Statements in 2021
Special Weather Statement, NWS Pocatello, ID
NWS Pocatello, ID issued this special weather statement at Jul 3, 2021, 5:21 PM MDT for Franklin County, Idaho. It was in force for 54 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
- Jul 3, 2021, 5:21 PM MDT (23:21 UTC)
- Expired
- Jul 3, 2021, 6:15 PM MDT
- In force
- 54 min
- Issued by
- NWS Pocatello, ID
County Franklin County, ID
The radar
The Salt Lake City radar (KMTX), 110 km from the middle of the area, began a volume at 23:21 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 11.4 hours before the alert went out and 149 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
- 44 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 2857 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
783 WWUS85 KPIH 032321 SPSPIH Special Weather Statement National Weather Service Pocatello ID 521 PM MDT Sat Jul 3 2021 IDZ059>061-040015- Franklin/Eastern Oneida Region ID-Bear Lake Valley ID- Bear River Range ID- 521 PM MDT Sat Jul 3 2021 ...SPECIAL WEATHER STATEMENT... At 520 PM MDT, Doppler radar was tracking a strong thunderstorm near Preston, moving east at 20 mph. Winds in excess of 30 mph will be possible with this storm. Locations impacted include... Preston, Paris, Dayton, Weston, Clifton, Bloomington, Mink Creek, Whitney, Minnetonka Cave, Riverdale and Mapleton. Boaters can expect a sudden increase in waves and very choppy waters which will result in hazardous boating conditions. Boaters are urged to seek safe harbor if possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If on or near Bear Lake, Move to safe shelter now! Do not be caught on or near the water. Gusty winds and choppy waves are likely. && LAT...LON 4204 11204 4222 11205 4228 11141 4201 11140 TIME...MOT...LOC 2320Z 268DEG 18KT 4213 11194 $$ DMH
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 3:19 PM MDT | Flash Flood Warning | PIH | Cassia | 3 hr |
| Jul 3, 3:45 PM MDT | Special Weather Statement | PIH | Franklin, Oneida | 45 min |
Nearby
Special Weather Statements in Idaho, 2021Every special weather statement in 2021
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.