Alert archive / Idaho / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 39, NWS Pocatello, ID
NWS Pocatello, ID issued this severe thunderstorm warning at Jul 16, 1996, 3:16 PM MDT for Bonneville County, Idaho. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 16, 1996, 3:16 PM MDT (21:16 UTC)
- Expired
- Jul 16, 1996, 4:00 PM MDT
- In force
- 44 min
- Issued by
- NWS Pocatello, ID
- Area
- Whole counties
County Bonneville County, ID
The radar
The Pocatello radar (KSFX), 92 km from the middle of the area, began a volume at 21:16 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
Riverton, WY (KRIW), launched 12:00Z, 9.3 hours before the alert went out and 263 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
- 12 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 2325 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 6 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 162115 SVRPIH IDC019-162200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE POCATELLO ID 316 PM MDT TUE JUL 16 1996 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST IDAHO ...WESTERN BONNEVILLE COUNTY AT 315 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORMS LOCATED 15 TO 20 MILES WEST OF IDAHO FALLS. THIS STORM IS MOVING TO THE EAST AT ABOUT 10 MILES IN HOUR. TRAVELERS ALONG US 20 AND US 26 SHOULD BE PREPARED FOR STRONG GUSTY WINDIN EXCESS OF 55 MILES PER HOUR AND HAIL UP TO THREE QUARTERS OF AN INCH IN DIAMETER. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINJGS. END/JEH
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.
NWS Pocatello, ID wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 1:59 PM MDT, 1 hour 17 minutes earlier.
Area forecast discussion, Jul 16, 1:59 PM MDT, 1 hour 17 minutes before
ALL INGREDIENTS FOR ACTIVE TSTMS IN PLACE THIS AFTERNOON FOR E IDAHO. DYNAMICS APPEAR FAVORABLE FOR ACTIVE CONVECTION THROUGH THE AFTERNOON AND WELL INTO TONIGHT WITH 50H SHORTWAVE AND LF QUAD OF 30H JET TRACKING SW-NE ACROSS THE UPPER SNAKE RIVER VALLEY ENDING UP OVER NW WY BY 12Z. FEATURES VERY SIMILAR ON ETA AND NGM W/NGM A LITTLE SLOWER THUS WILL KEEP ACTIVE CONVECTION IN FORECAST THROUGH THE NIGHT IN NORTHERN ZONES. TROUGH DEEPENS ALONG PAC COAST NEXT 24/36 HOURS WITH GOOD SW FLOW DEVELOPING OVER ID. THIS WILL ALLOW A LITTLE WARMING WEDNESDAY AND SET UP ANOTHER ACTIVE CONVECTION DAY THURSDAY. LOTS OF WX DEVELOPING SO WILL KEEP THIS SHORT... DWG PIH BT 054/087 052/086 052 01521 IDA BT 053/085 050/085 050 01521
In the hours before
Special weather statement, Jul 16, 9:58 AM MDT, 5 hours 18 minutes before
IDZ003-004-012-162100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 945 AM MDT TUE JUL 16 1996 ...STRONG THUNDERSTORMS POSSIBLE ACROSS EASTERN IDAHO TODAY AND TONIGHT... THUNDERSTORMS DEVELOPED EARLY THIS MORNING IN NORTHERN NEVADA AND ARE SLOWLY MOVING TOWARD SOUTH CENTRAL IDAHO. THESE STORMS WERE SPAWNED AHEAD OF AN UPPER LEVEL DISTURBANCE THAT IS FORECAST TO MOVE NORTHEASTWARD ACROSS EASTERN IDAHO THIS AFTERNOON AND TONIGHT. STRONG THUNDERSTORMS WILL DEVELOP AS EARLY AS MID DAY OVER CASSIA AND ONEIDA COUNTIES... WITH STORM DEVELOPMENT PROGRESSIVLY INCREASING OVER THE UPPER SNAKE RIVER VALLEY AND INTO THE UPPER SNAKE HIGHLANDS DURING THE AFTERNOON. THE THUNDERSTORMS EXPECTED TODAY HAVE THE POTENTIAL TO PRODUCE BRIEF HEAVY RAIN...SMALL HAIL AND GUSTY WINDS. VISIBILITIES COULD BE BRIEFLY REDUCED BY BLOWING DUST.. ESPECIALLY IN THE LOWER ELEVATIONS ALONG MAJOR INTERSTATE AND SECONDARY HIGHWAYS. TRAVELLERS.. CAMPERS.. AND OTHER ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE AWARE OF THE DANGERS ASSOCIATED WITH THESE STRONG SUMMER THUNDERSTORMS. DWG
Special weather statement, Jul 16, 12:11 PM MDT, 3 hours 5 minutes before
IDZ003-010-012-162100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE POCATELLO ID 1210 PM MDT TUE JUL 16 1996 ...STRONG THUNDERSTORMS DEVELOPING OVER PORTIONS OF EASTERN IDAHO... POCATELLO/IDAHO FALLS DOPPLER RADAR IS SHOWING THUNDERSTORMS FORMING RAPIDLY IN PORTIONS OF CUSTER... BUTTE... AND CLARK COUNTIES AT MID DAY. THESE STORMS ARE STILL DEVELOPING AND COULD PRODUCE LOCALLY HEAVY RAIN... STRONG GUSTY WINDS AND SOM.E HAIL IN THE NEXT FEW HOURS. TRAVELLERS.. CAMPERS.. AND OTHERS ENGAGED IN OUTDOOR ACTIVITIES SHOULD BE AWARE OF THE DANGERS ASSOCIATED WITH THESE STRONG SUMMER THUNDERSTORMS. DWG
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 4:39 PM MDT | Flash Flood Warning | PIH | Bingham, Bonneville | 66 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 1996Every severe thunderstorm warning in 1996
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.