Alert archive / Idaho / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 3, NWS Spokane, WA

May 5, 2000Latah County, Nez Perce County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at May 5, 2000, 11:24 AM PDT for Latah County, Nez Perce County, Idaho. It was in force for 51 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 5, 2000, 11:24 AM PDT (18:24 UTC)
Expired: May 5, 2000, 12:15 PM PDT
In force: 51 min
Issued by: NWS Spokane, WA
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Latah County, ID, Nez Perce County, ID

The radar

The Spokane radar (KOTX), 149 km from the middle of the area, began a volume at 18:08 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.

What was reported inside it

Time	Report	Where	Remark
May 5, 11:50 AM PDT	Hail 0.88	Gifford, 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.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 6.4 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 111 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 
WUUS56 KOTX 051825
SVRGEG
IDC057-069-051915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
1124 AM PDT FRI MAY 5 2000

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN NEZ PERCE COUNTY IN NORTH CENTRAL IDAHO
  SOUTHERN LATAH COUNTY IN THE PANHANDLE OF IDAHO

* UNTIL 1215 PM PDT

* AT 1120 AM PDT...TRAINED WEATHER SPOTTERS REPORTED AND DOPPLER 
RADAR INDICATED A SEVERE THUNDERSTORM NEAR LAPWAI...MOVING EAST AT 
25 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE 
HAIL... AND WINDS IN EXCESS OF 60 MPH. AT 1118 AM...SPOTTERS 
REPORTED DIME-SIZED HAIL NEAR LEWISTON.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   GIFFORD AT 1145 AM PDT
   PECK AT NOON PDT

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING. DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND
LIGHTNING...AND VERY\ HEAVY RAIN ARE ALL POSSIBLE IN SEVERE
THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS
PASSED.

LAT...LON 4656 11698 4638 11691 4648 11612 4662 11621

Nearby

Severe Thunderstorm Warnings in Idaho, 2000 Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.