Alert archive / Idaho / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 7, NWS Spokane, WA
NWS Spokane, WA issued this severe thunderstorm warning at Aug 7, 1999, 1:08 AM PDT for Kootenai County, Idaho. It was in force for 23 hr. 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
- Aug 7, 1999, 1:08 AM PDT (08:08 UTC)
- Expired
- Aug 8, 1999, 12:30 AM PDT
- In force
- 23 hr
- Issued by
- NWS Spokane, WA
- Area
- Whole counties
County Kootenai County, ID
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 2:00 AM PDT | Hail 0.75 | Coeur D Alene, ID | 3/4" hail |
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 00:00Z, 8.1 hours before the alert went out and 23 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
- 251 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 2165 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Spokane, WA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 6, 8:30 PM PDT, 4 hours 38 minutes earlier.
Area forecast discussion, Aug 6, 8:30 PM PDT, 4 hours 38 minutes before
EASTERN WASHINGTON AND NORTH IDAHO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPOKANE WASHINGTON 830 PM PDT FRI AUG 6 1999 STRONG TO SEVERE THUNDERSTORMS CONTINUE THIS EVENING OVER SOUTHERN SECTIONS OF THE AREA. WILL HOLD ONTO UPDATES UNTIL THINGS SETTLE DOWN A BIT LATER. ...THE INFORMATION IN THIS PRODUCT CONCERNING WARNINGS AND FORECASTS IS VALID ONLY AT THE TIME OF ISSUANCE. THE LATEST WARNING AND FORECAST INFORMATION WILL BE FOUND IN THE APPROPRIATE PRODUCTS... GEG 061/080/059/074 4353 CQV 061/082/060/074 4354 S86 061/084/060/073 4454 COE 060/085/060/074 4353 WWP 059/082/058/075 5555 LWS 068/085/063/079 5354 MOS 059/085/058/081 EAT 068/084/062/080 5553 .GEG...NONE.
In the hours before
Local storm report, Aug 6, 8:58 PM PDT, 4 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
858 PM PDT FRI AUG 06 1999
TIME(PDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0840 PM TEKOA WA 40 MPH TSTM GUST
08/06/99 WHITMAN SPOTTER ESTIMATES WINDS
BETWEEN 30-40 MPH WITH
SMALL TREE BRANCHES DOWN.Local storm report, Aug 6, 8:58 PM PDT, 4 hours 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
858 PM PDT FRI AUG 06 1999
TIME(PDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0840 PM TEKOA WA 40 MPH TSTM GUST
08/06/99 WHITMAN SPOTTER ESTIMATES WINDS
BETWEEN 30-40 MPH WITH
SMALL TREE BRANCHES DOWN.The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 1:08 AM PDT | Flash Flood Warning | OTX | Kootenai | 82 min |
| Aug 7, 1:08 AM PDT | Flash Flood Warning | OTX | Kootenai | 23 hr |
| Aug 7, 1:08 AM PDT | Severe Thunderstorm Warning | OTX | Kootenai | 82 min |
Nearby
Severe Thunderstorm Warnings in Idaho, 1999Every severe thunderstorm warning in 1999
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.