Alert archive / Idaho / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 33, NWS Missoula, MT
NWS Missoula, MT issued this severe thunderstorm warning at Jun 30, 2012, 8:07 PM PDT for Clearwater County, Idaho County, Idaho. It was in force for 39 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
- Jun 30, 2012, 8:07 PM PDT (03:07 UTC)
- Expired
- Jun 30, 2012, 8:46 PM PDT
- In force
- 39 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
Counties Clearwater County, ID, Idaho County, ID
The radar
The Spokane radar (KOTX), 186 km from the middle of the area, began a volume at 03:10 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
Spokane, WA (KOTX), launched 00:00Z, 3.1 hours before the alert went out and 154 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
- 101 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 1306 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
931
WUUS55 KMSO 010307
SVRMSO
IDC035-049-010400-
/O.NEW.KMSO.SV.W.0033.120701T0307Z-120701T0400Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
807 PM PDT SAT JUN 30 2012
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN IDAHO COUNTY IN CENTRAL IDAHO...
WESTERN CLEARWATER COUNTY IN NORTH CENTRAL IDAHO...
* UNTIL 900 PM PDT.
* AT 806 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER.
THIS STORM WAS LOCATED 26 MILES SOUTHWEST OF OROFINO...OR ABOUT 14
MILES SOUTHEAST OF LAPWAI...AND WAS MOVING NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...AHSAHKA...CARDIFF...FERDINAND...
GLENWOOD...GREER...JAYPE...MUSSELSHELL...OROFINO...PARDEE...
PIERCE...RIVERSIDE...WEIPPE AND WOODLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND HAIL...ALONG WITH
FREQUENT LIGHTNING AND HEAVY RAIN. FOR YOUR PROTECTION...GO INDOORS
AND STAY AWAY FROM WINDOWS. IF YOU ARE CAUGHT OUTSIDE...MOVE TO A
WELL PROTECTED AREA.
&&
LAT...LON 4621 11644 4617 11630 4619 11619 4622 11614
4623 11604 4630 11614 4640 11619 4640 11629
4647 11639 4649 11639 4672 11597 4630 11544
4614 11648
TIME...MOT...LOC 0307Z 243DEG 38KT 4623 11664
$$2 follow-up statements
949
WWUS55 KMSO 010332
SVSMSO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
932 PM MDT SAT JUN 30 2012
IDC035-049-010400-
/O.CON.KMSO.SV.W.0033.000000T0000Z-120701T0400Z/
IDAHO ID-CLEARWATER ID-
832 PM PDT SAT JUN 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM PDT
FOR WESTERN CLEARWATER AND NORTHERN IDAHO COUNTIES...
* AT 830 PM PDT...DOPPLER RADAR CONTINUED TO INDICATE A STRONG
THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO ONE INCH IN DIAMETER.
THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF AHSAHKA...OR ABOUT 11
MILES SOUTHWEST OF OROFINO...AND WAS MOVING NORTHEAST AT 35 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4621 11644 4617 11630 4619 11619 4622 11614
4623 11604 4630 11614 4640 11619 4640 11629
4647 11639 4649 11639 4672 11597 4630 11544
4614 11648
TIME...MOT...LOC 0331Z 233DEG 28KT 4637 11641
$$758
WWUS55 KMSO 010346
SVSMSO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MISSOULA MT
946 PM MDT SAT JUN 30 2012
IDC035-049-010356-
/O.CAN.KMSO.SV.W.0033.000000T0000Z-120701T0400Z/
IDAHO ID-CLEARWATER ID-
846 PM PDT SAT JUN 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN CLEARWATER AND
NORTHERN IDAHO COUNTIES IS CANCELLED...
LAT...LON 4621 11644 4617 11630 4619 11619 4622 11614
4623 11604 4630 11614 4640 11619 4640 11629
4647 11639 4649 11639 4672 11597 4630 11544
4614 11648
TIME...MOT...LOC 0346Z 243DEG 38KT 4641 11611
$$The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 2:31 PM PDT | Severe Thunderstorm Warning | MSO | Lemhi | 44 min |
| Jul 1, 4:01 PM PDT | Special Weather Statement | MSO | Lemhi | 44 min |
| Jul 1, 4:37 PM PDT | Areal Flood Advisory | MSO | Lemhi | 4 hr |
Nearby
Severe Thunderstorm Warnings in Idaho, 2012Every severe thunderstorm warning in 2012
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.