Alert archive / Washington / Tornado Warnings in 1998
Tornado Warning 6, NWS Spokane, WA
NWS Spokane, WA issued this tornado warning at Jul 11, 1998, 12:00 AM PDT for Pend Oreille County, Spokane County, Washington. It was in force for 60 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 11, 1998, 12:00 AM PDT (07:00 UTC)
- Expired
- Jul 11, 1998, 1:00 AM PDT
- In force
- 60 min
- Issued by
- NWS Spokane, WA
- Area
- Whole counties
Counties Pend Oreille County, WA, Spokane County, WA
The radar
The Spokane radar (KOTX), 49 km from the middle of the area, began a volume at 07:02 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 9:00 PM PDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 7.0 hours before the alert went out and 82 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
- 199 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1962 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 97 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 KGEG 110700 RRA TORGEG WAC051-063-110800- BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SPOKANE WA 1200 AM PDT SAT JUL 11 1998 THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN PEND ORIELLE COUNTY IN NORTHEASTERN WASHINGTON NORTHERN SPOKANE COUNTY IN EAST CENTRAL WASHINGTON * UNTIL 100 AM PDT * AT 1156 PM PDT... FUNNEL CLOUD REPORTED OVER THE DEER PARK AIRPORT... WAS REPORTED BY LAW 4ENFORCEMENT... MOVING NORTHEAST 30 MPH. * TORNADO WILL BE NEAR... NEWPORT BY 1230 AM PDT GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR! BA/DR/MS
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:23 PM PDT | Severe Thunderstorm Warning | OTX | Asotin | 62 min |
| Jul 10, 7:41 PM PDT | Severe Thunderstorm Warning | OTX | Grant | 64 min |
| Jul 10, 7:56 PM PDT | Severe Thunderstorm Warning | OTX | Adams | 64 min |
| Jul 10, 8:40 PM PDT | Severe Thunderstorm Warning | OTX | Lincoln | 65 min |
| Jul 10, 8:47 PM PDT | Severe Thunderstorm Warning | OTX | Grant | 48 min |
| Jul 10, 9:11 PM PDT | Tornado Warning | OTX | Adams | 64 min |
| Jul 10, 9:19 PM PDT | Severe Thunderstorm Warning | OTX | Ferry, Okanogan | 61 min |
| Jul 10, 9:33 PM PDT | Severe Thunderstorm Warning | OTX | Lincoln, Spokane | 62 min |
| Jul 10, 10:32 PM PDT | Severe Thunderstorm Warning | OTX | Lincoln, Spokane, Stevens | 63 min |
| Jul 10, 11:12 PM PDT | Tornado Warning | OTX | Spokane | 48 min |
| Jul 10, 11:33 PM PDT | Severe Thunderstorm Warning | OTX | Pend Oreille, Spokane | 67 min |
Nearby
Tornado Warnings in Washington, 1998Every tornado warning in 1998Tornadoes in 1998
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.