Alert archive / Washington / Flash Flood Warnings in 2007

Flash Flood Warning 2, NWS Spokane, WA

September 14, 2007Lincoln County, Washington

NWS Spokane, WA issued this flash flood warning at Sep 14, 2007, 11:31 AM PDT for Lincoln County, Washington. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 14, 2007, 11:31 AM PDT (18:31 UTC)
Expired
Sep 14, 2007, 12:00 PM PDT
In force
29 min
Issued by
NWS Spokane, WA
Area
Counties, with a storm outline in the text
Flood severity
Unknown

County Lincoln County, WA

The radar

The Spokane radar (KOTX), 40 km from the middle of the area, began a volume at 18:35 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

Spokane, WA (KOTX), launched 12:00Z, 6.5 hours before the alert went out and 130 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, Spokane, WA at 12:00Z on 2007-09-14Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2007-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
2819 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
63 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 
WGUS56 KOTX 141833 CCA
FFWOTX
WAC043-141900-
/T.COR.KOTX.FF.W.0002.070914T1831Z-070914T1900Z/
/00000.U.GO.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
TEST...FLASH FLOOD WARNING...CORRECTED...TEST
NATIONAL WEATHER SERVICE SPOKANE WA
1131 AM PDT FRI SEP 14 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* THIS IS A TEST MESSAGE. FLASH FLOOD WARNING FOR A GLACIAL LAKE DAM
OUTBURST IN...
  CENTRAL LINCOLN COUNTY IN EAST CENTRAL WASHINGTON...

* UNTIL NOON PDT

* THIS IS A TEST MESSAGE. AT 1131 AM PDT...A GLACIER AT NOWHERE HAS
  MELTED...RELEASING LARGE QUANTITIES OF IMPOUNDED WATER AND CAUSING 
  FLASH FLOODING.

* THIS IS A TEST MESSAGE. AFFECTED LOCATIONS INCLUDE DAVENPORT

THIS IS A TEST MESSAGE. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER
DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY.
FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF
FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN
ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT
DROWN.

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 4771 11790 4733 11790 4733 11846 4771 11846

$$

FONTENOT
1 follow-up statement
000 
WGUS76 KOTX 141933
FFSOTX

TEST...FLASH FLOOD STATEMENT...TEST
NATIONAL WEATHER SERVICE SPOKANE WA
1233 PM PDT FRI SEP 14 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

WAC043-141943-
/T.EXP.KOTX.FF.W.0002.000000T0000Z-070914T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN WA-
1233 PM PDT FRI SEP 14 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL LINCOLN COUNTY...

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 4771 11790 4733 11790 4733 11846 4771 11846
TIME...MOT...LOC 1835Z 180DEG 0KT 4752 11818

$$

FONTENOT

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 9:26 AM PDTFlash Flood WarningOTXLincoln2 hr
Sep 14, 12:35 PM PDTFlash Flood WarningOTXLincoln115 min

Nearby

Flash Flood Warnings in Washington, 2007Every flash flood warning in 2007

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.