Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 63, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Oct 8, 2000, 2:29 PM MST for Apache County, Arizona. It was in force for 31 min. No storm report in the archive falls 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.
The facts
- Issued
- Oct 8, 2000, 2:29 PM MST (21:29 UTC)
- Expired
- Oct 8, 2000, 3:00 PM MST
- In force
- 31 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Apache County, AZ
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.5 hours before the alert went out and 256 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
- 8 J/kg
- Mixed-layer CIN
- -166 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 326 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
313 WUUS55 KFGZ 082130 SVRFLG AZC001-082200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 229 PM MST SUN OCT 8 2000 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL APACHE COUNTY IN ARIZONA * UNTIL 300 PM MST * AT 229 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES WEST OF LUKACHUKAI...OR ABOUT 17 MILES NORTHEAST OF CHINLE...MOVING EAST-NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT OR PASS CLOSE TO... LUKACHUKAI AT 240 PM MST TSAILE AT 245 PM MST VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN FLAGSTAFF. LAT...LON 3640 10952 3627 10936 3629 10911 3655 10922
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 Flagstaff, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 8, 10:10 AM MST, 4 hours 19 minutes earlier.
Area forecast discussion, Oct 8, 10:10 AM MST, 4 hours 19 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1010 AM MST SUN OCT 08 2000 SYNOPSIS...EXPECT COLDER TEMPERATURES WITH SCATTERED SHOWERS AND THUNDERSTORMS EAST OF FLAGSTAFF TODAY...WITH PARTLY SUNNY SKIES AND ISOLATED SHOWERS AND THUNDERSTORMS WEST OF FLAGSTAFF. SKIES WILL CLEAR TONIGHT WITH LITTLE OR NO PRECIPITATION EXPECTED MONDAY AND TUESDAY. A PACIFIC STORM SYSTEM MAY REACH ARIZONA WEDNESDAY...BRINGING WINDY AND COOLER CONDITIONS...WITH RAIN AND A CHANCE OF HIGH ELEVATION SNOW INTO THURSDAY. DISCUSSION...HAVE STALLED A BIT THIS MORNING WAITING FOR MODEL DATA AND SURFACE OBS TO COME IN. SCENARIO ACROSS THE STATE IS NOTHING LIKE WHAT HAS BEEN ADVERTISED FOR SEVERAL DAYS BY ALL THE MODELS. DEEP MOISTURE FROM THE REMNANTS OF KEITH NEVER MADE IT HERE...AND MOISTURE ASSOCIATED WITH BACKDOOR COLD FRONT HAS BEEN MINIMAL. DECENT LOOKING S/WV MOVING ACROSS THE NORTHERN SECTIONS OF THE STATE HAS KEPT SOME CLOUDS AND WEAK CONVECTION GOING OVER THE EASTERN THIRD...BUT THE WEST ACTUALLY IS DRYING AND STABLE. THE FRONT HAS PUSHED OUT ACROSS THE DESERTS AND MAY DEVELOP SOME SHOWER ACTIVITY LATER IN THE DAY WHICH COULD TRANSLATE NORTHWARD INTO YAVAPAI AND SOUTHERN COCONINO COUNTY...BUT THIS DOES NOT LOOK LIKE A BIG EVENT. THINK HIGHEST POPS ARE WHERE THEY BELONG...OUT EAST. LOWER OR NO POPS WEST OF FLG LOOK GOOD. WILL MAKE A FEW UPDATES TO REFLECT THE CURRENT MOISTURE TRENDS...AND MAY ALSO NEED TO RAISE SOME HIGH TEMPERATURES OVER THE HIGH TERRAIN WHERE SHALLOW AND COOLER AIR WILL NOT HAVE AS MUCH OF AN EFFECT. MID-WEEK SCENARIO STILL LOOKS PROMISING...MORE ON THIS IN THE AFTERNOON. PETERSON. .FGZ...NONE.
Nearby
Severe Thunderstorm Warnings in Arizona, 2000Every 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; the sounding from the Mesonet's radiosonde archive.