Alert archive / Idaho / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 21, NWS Boise, ID

June 14, 1996Twin Falls County, Idaho

NWS Boise, ID issued this severe thunderstorm warning at Jun 14, 1996, 3:47 PM MDT for Twin Falls County, Idaho. It was in force for 43 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
Jun 14, 1996, 3:47 PM MDT (21:47 UTC)
Expired
Jun 14, 1996, 4:30 PM MDT
In force
43 min
Issued by
NWS Boise, ID
Area
Whole counties

County Twin Falls County, ID

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 9.8 hours before the alert went out and 170 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-pSkew-T log-p diagram, Elko, NV at 12:00Z on 1996-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 1996-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2787 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
35 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 
TTAA00 KBOI 142148
SVRBOI
IDC083-142230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BOISE ID
347 PM MDT FRI JUN 14 1996
 
THE NATIONAL WEATHER SERVICE IN BOISE ID HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM MDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL IDAHO
 
   ...SOUTHEASTERN TWIN FALLS COUNTY
 
AT 345 PM MDT WEATHER RADAR INDOCATED A SEVERE THUNDERSTORM IN EXTREME
SOUTHEAST TWIN FALLS COUNTY...ABOUT 35 MILES SOUTHEAST OF TWIN FALLS.
MOVEMENT WAS TO THE NORTHEAST AT ABOUT 25 MPH.
 
THIS STORM IS LIKELY PRODUCING LARGE HAIL...DAMAGING WINDS...AND LOCAL
HEAVY RAIN.

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 14, 11:07 AM MDT, 4 hours 40 minutes before
IDZ001-002-005-006-007-010-132200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
1107 AM MDT FRI JUN 14 1996

...STRONG THUNDERSTORMS POSSIBLE AGAIN THIS AFTERNOON AND TONIGHT...

THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS EXISTS LATER THIS
AFTERNOON AND EVENING OVER PORTIONS OF CENTRAL AND SOUTHERN IDAHO.
AS WAS THE CASE YESTERDAY...SOME OF THE THUNDERSTORMS WILL HAVE THE
CAPABILITY OF PRODUCING STRONG GUSTY WINDS...HAIL...AND BRIEF HEAVY
DOWNPOURS.

STRONG TO SEVERE THUNDERSTORMS WERE REPORTED YESTERDAY AFTERNOON AND
EVENING ACROSS PORTIONS OF SOUTHERN IDAHO.  ADDITIONAL MOISTURE FROM
THESE THUNDERSTORMS PERSISTS OVER THE AREA THIS MORNING.  THIS WILL
COMBINE WITH WARMING SURFACE TEMPERATURES TO ALLOW THE ATMOSPHERE TO
BECOME INCREASINGLY UNSTABLE LATER THIS AFTERNOON.  THUNDERSTORMS
ARE EXPECTED TO DEVELOP ONCE AGAIN ACROSS PORTIONS OF SOUTHERN AND
CENTRAL IDAHO WITH SOME OF THE STORMS PRODUCING GUSTY WINDS AND
HAIL.  IN ADDITION...WITH THE ABUNDANT MOISTURE OVER THE
REGION...HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THE STRONGER STORMS.

STAY TUNED FOR FURTHER UPDATES FROM THE NATIONAL WEATHER SERVICE ON
THIS DEVELOPING WEATHER SITUATION.

.END...NWSFO BOISE/EVENSON
Special weather statement, Jun 14, 11:19 AM MDT, 4 hours 28 minutes before
IDZ001-002-005-006-007-010-142200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BOISE ID
1107 AM MDT FRI JUN 14 1996...CORRECTED FOR EXPIRATION TIME/DATE

...STRONG THUNDERSTORMS POSSIBLE AGAIN THIS AFTERNOON AND TONIGHT...

THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS EXISTS LATER THIS
AFTERNOON AND EVENING OVER PORTIONS OF CENTRAL AND SOUTHERN IDAHO.
AS WAS THE CASE YESTERDAY...SOME OF THE THUNDERSTORMS WILL HAVE THE
CAPABILITY OF PRODUCING STRONG GUSTY WINDS...HAIL...AND BRIEF HEAVY
DOWNPOURS.

STRONG TO SEVERE THUNDERSTORMS WERE REPORTED YESTERDAY AFTERNOON AND
EVENING ACROSS PORTIONS OF SOUTHERN IDAHO.  ADDITIONAL MOISTURE FROM
THESE THUNDERSTORMS PERSISTS OVER THE AREA THIS MORNING.  THIS WILL
COMBINE WITH WARMING SURFACE TEMPERATURES TO ALLOW THE ATMOSPHERE TO
BECOME INCREASINGLY UNSTABLE LATER THIS AFTERNOON.  THUNDERSTORMS
ARE EXPECTED TO DEVELOP ONCE AGAIN ACROSS PORTIONS OF SOUTHERN AND
CENTRAL IDAHO WITH SOME OF THE STORMS PRODUCING GUSTY WINDS AND
HAIL.  IN ADDITION...WITH THE ABUNDANT MOISTURE OVER THE
REGION...HEAVY DOWNPOURS ARE ALSO POSSIBLE WITH THE STRONGER STORMS.

STAY TUNED FOR FURTHER UPDATES FROM THE NATIONAL WEATHER SERVICE ON
THdIS DEVELOPING WEATHER SITUATION.

.END...NWSFO BOISE/EVENSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 3:59 PM MDTSevere Thunderstorm WarningBOIOwyhee61 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.