Alert archive / Idaho / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 2, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Jun 5, 1987, 4:30 PM MDT for 4 counties in Idaho. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 5, 1987, 4:30 PM MDT (22:30 UTC)
- Expired
- Jun 5, 1987, 5:30 PM MDT
- In force
- 60 min
- Issued by
- NWS Pocatello, ID
- Area
- Whole counties
Counties Bonneville County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 5, 5:30 PM MDT | Thunderstorm Wind 0 | Fremont, ID |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Lander/Hunt Fiel, WY (KLND), launched 12:00Z, 10.5 hours before the alert went out and 271 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
- 3449 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KPIH 052234
SVRPIH
IDC051-065-019-052330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE POCATELLO ID
434 PM MDT FRI JUN 5 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 530 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN IDAHO
...JEFFERSON...MADISON
IN SOUTHEAST IDAHO
...BONNEVILLE
RADAR...LIGHTENING DETECTION EQUIPMENT AND WEATHER OBSERVATIONS
INDICATE THAT A SEVERE THUNDERSTORM IS IN PROGRESS IN IDAHO FALLS
PRODUCING WINDS IN EXCESS OF 50 MPH. NO HEAVY RAIN OR DAMAGING
LIGHTENING HAS BEEN OBSERVED YET.asis}
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 5, 1:56 PM MDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO, ID
200 PM MDT FRI JUN 05 1987
...THUNDERSTORMS DEVELOPING IN SOUTHEST IDAHO...
AT 130PM THIS AFTERNOON...RADAR AND SATELLITE INDICATED THAT THUNDER/
STORMS WERE BEGINNING TO DEVELOP IN SOUTHEAST IDAHO. AT 145PM THIS
AFTERNOON...THE MAIN THUNDERSTORM ACTIVITY WAS CENTERED IN THE EAST
CETRAL MOUNTAINS IN AND AREA BOUNDED BY CHALLIS...SALMON...AND
LEADORE. /CUSTER AND LEMHI COUNTIES/
THE SPOTTER IN SALMON REPORTED A BRIEF HEAVY SHOWER AS THE THUNDER/
STORMS MOVED THROUGH SALMON.
LIGHTNING DETECTION EQUIPMENT INDICATES THE THUNDERSTORMS ARE
DEVELOPING VERY RAPIDLY IN THE EAST CENTRAL MOUNTAINS.
RESIDENTS OF SOUTHEAST IDAHO SHOULD BE ALERT FOR HEAVY THUNDERSHOWERS
THE REST OF THIS AFTERNOON AND EVENING. WIND GUSTS TO NEAR 50 MPH...
PERIODS OF HEAVY RAIN...AND HAIL ARE LIKELY WITH THE THUNDERSTORMS.
LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE COMMERCIAL STATION
FOR UPDATES.
END...WSOSpecial weather statement, Jun 5, 2:00 PM MDT, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO, ID
200 PM MDT FRI JUN 05 1987
...THUNDERSTORMS DEVELOPING IN SOUTHEST IDAHO...
AT 130PM THIS AFTERNOON...RADAR AND SATELLITE INDICATED THAT THUNDER/
STORMS WERE BEGINNING TO DEVELOP IN SOUTHEAST IDAHO. AT 145PM THIS
AFTERNOON...THE MAIN THUNDERSTORM ACTIVITY WAS CENTERED IN THE EAST
CETRAL MOUNTAINS IN AND AREA BOUNDED BY CHALLIS...SALMON...AND
LEADORE. /CUSTER AND LEMHI COUNTIES/
THE SPOTTER IN SALMON REPORTED A BRIEF HEAVY SHOWER AS THE THUNDER/
STORMS MOVED THROUGH SALMON.
LIGHTNING DETECTION EQUIPMENT INDICATES THE THUNDERSTORMS ARE
DEVELOPING VERY RAPIDLY IN THE EAST CENTRAL MOUNTAINS.
RESIDENTS IN ALL OF SOUTHEAST IDAHO SHOULD BE ALERT FOR HEAVY THUNDER/
SHOWERS THE REST OF THIS AFTERNOON AND EVENING. WIND GUSTS TO NEAR
50 MPH...PERIODS OF HEAVY RAIN...AND HAIL ARE LIKELY WITH THE
THUNDERSTORMS.
SECURE LOOSE OBJECTS. MOTORISTS ARE URGED TO BE ALERT FOR RAPIDLY
DECREASING VISIBILITIES IN AREAS OF BLOWING DUST. PLEASE STAY TUNED
TO NOAA WEATHER RADIO OR YOUR FAVORITE COMMERCIAL STATION FOR FURTHER
UPDATES.
KEIRNS
END...WSOSpecial weather statement, Jun 5, 3:18 PM MDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE POCATELLO, ID
315 PM MDT FRI JUN 05 1987
...THUNDERSTORMS DEVELOPING RAPIDLY IN SOUTHEAST IDAHO...
AT 300PM THIS AFTERNOON...RADAR AND SATELLITE INDICATED THAT THUNDER/
STORMS WERE CONTINUING TO DEVELOP IN SOUTHEAST IDAHO.
ONE AREA OF THUNDERSTORMS EXTENDED FROM WEST OF SLAMON TO CHALLIS TO
WEST OF DUBOIS...COVERING MOST OF LEMHI COUNTY. A SEVERE THUNDERSTORM
WATCH IS IN EFFECT FOR LEMHI AND CLARK COUNTIES...INCLUDING THE CITIES
OF SALMON...DUBOIS...AND CHALLIS UNTIL 9:00PM TONIGHT. CONDITONS IN
THE WATCH AREA ARE FAVORABLE FOR STRONG GUSTY WINDS TO NEAR 50 MPH...
PERIODS OF HEAVY RAIN...DANGEROUS LIGHTNING...AND POSSIBLY HAIL.
ANOTHER AREA OF THUNDERSTORMS EXTENDS FROM NEAR BLACKFOOT...TO NEAR
AMERICAN FALLS...TO BURLEY AND INTO NORTHERN NEVADA. THIS AREA OF
THUNDERSTORMS CONTINUES TO DEVELOP.
ALL RESIDENTS OF SOUTHEAST IDAHO SHOULD BE ALERT FOR THUNDERSTORMS
WITH GUSTY WINDS...BRIEF HEAVY RAIN...DANGEROUS LIGHTNING...AND
POSSIBLY HAIL ARE LIKELY WITH THE THUNDERSTORMS THIS AFTERNOON AND
EVENING.
STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE COMMERCIAL STATION
FOR FURTHER UPDATES.
KEIRNS
END...WSOSpecial weather statement, Jun 5, 3:59 PM MDT, 31 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO, ID 359 PM MDT FRI JUN 05 1987 ...THUNDERSTORMS COMTINUING IN SOUTHEAST IDAHO... AT 400PM THIS AFTERNOON...RADAR AND SATELLITE INDICATED THAT THUNDER/ STORMS WERE CONTINUING IN SOUTHEAST IDAHO. ONE AREA OF THUNDERSTORMS WAS IN THE SALMON AREA AND EXTENDED INTO MONTANA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR LEMHI AND CLARK COUNTIES UNTIL 9:00PM TONIGHT. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS WITH STRONG GUSTY WINDS TO 50 MPH...DANGEROUS LIGHTNING...PERIODS OF HEAVY RAIN... AND POSSIBLY HAIL. A SEVERE THUNDERSTORM WATCH IS AN ADVISORY BULLETIN TO PREPARE RESIDENTS FOR THE POSSIBILITY OF SEVERE THUNDER/ STORMS IN THE WATCH AREA. AT THIS TIME...NO SEVERE WEATHER HAS BEEN REPORTED IN LEMHI OR CLARK COUNTY. ...IF ANY SEVERE WEATHER DOES OCCUR IN LEMHI OR CLARK COUNTY...A SEVERE THUNDERSTORM WARNING WILL BE ISSUED AND RESIDENTS IN THE WARNED AREA WILL BE ADVISED TO TAKE PROTECTIVE ACTIONS IMMEDIATELY. ANOTHER AREA OF THUNDERSTORMS EXTENDS FROM NEAR IDAHO FALLS TO NEAR BURLEY. THE THUNDERSTORMS WERE MOVING TO THE NORTHEASJT AT 25 TO 30 MPH. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE COMMERCIAL STATION FOR FURTHER UPDATES. KEIRNS END...WSO
Special weather statement, Jun 5, 4:09 PM MDT, 21 minutes before
SPECIAL WEATHER STATEMENT CORRECTED NATIONAL WEATHER SERVICE POCATELLO, ID 407 PM MDT FRI JUN 05 1987 ...THUNDERSTORMS COMTINUING IN SOUTHEAST IDAHO... AT 400PM THIS AFTERNOON...RADAR AND SATELLITE INDICATED THAT THUNDER/ STORMS WERE CONTINUING IN SOUTHEAST IDAHO. ONE AREA OF THUNDERSTORMS WAS IN THE SALMON AREA AND EXTENDED INTO MONTANA. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE EAST CENTRAL MOUNTAIN AREA UNTIL 9:00PM TONIGHT. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS WITH STRONG GUSTY WINDS TO 50 MPH...DANGEROUS LIGHTNING...PERIODS OF HEAVY RAIN... AND POSSIBLY HAIL. A SEVERE THUNDERSTORM WATCH IS AN ADVISORY BULLETIN TO PREPARE RESIDENTS FOR THE POSSIBILITY OF SEVERE THUNDER/ STORMS IN THE WATCH AREA. AT THIS TIME...NO SEVERE WEATHER HAS BEEN REPORTED IN THE EAST CENTRAL MOUNTIANS. IF ANY SEVERE WEATHER DOES OCCUR IN THE EAST CENTRAL MOUNTAINS...A SEVERE THUNDERSTORM WARNING WILL BE ISSUED AND RESIDENTS IN THE WARNED AREA WILL BE ADVISED TO TAKE PROTECTIVE ACTIONS IMMEDIATELY. ANOTHER AREA OF THUNDERSTORMS EXTENDS FROM NEAR IDAHO FALLS TO NEAR BURLEY. THE THUNDERSTORMS uWERE MOVING TO THE NORTHEAST AT 25 TO 30 MPH. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE COMMERCIAL STATION FOR FURTHER UPDATES. KEIRNS END...WSO
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 5:30 PM MDT | Severe Thunderstorm Warning | PIH | Fremont | 45 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 1987Every severe thunderstorm warning in 1987
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.