Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 152, NWS Amarillo, TX

July 16, 2000Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 16, 2000, 6:05 PM CDT for Beaver County, Oklahoma. It was in force for 55 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
Jul 16, 2000, 6:05 PM CDT (23:05 UTC)
Expired
Jul 16, 2000, 7:00 PM CDT
In force
55 min
Issued by
NWS Amarillo, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 126 km from the middle of the area, began a volume at 23:07 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

Dodge City, (KDDC), launched 12:00Z, 11.1 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, Dodge City, at 12:00Z on 2000-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 596 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 12:00Z on 2000-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
596 J/kg
Mixed-layer CIN
-214 J/kg
Mixed-layer LCL
2218 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
91 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 
WUUS54 KAMA 162308
SVRAMA
OKC007-170000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
605 PM CDT SUN JUL 16 2000

THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE

* UNTIL 700 PM CDT

* AT 605 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM 5 MILES WEST OF BOYD MOVING NORTHEAST AT 20    
  MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  BEAVER...BOYD...FLORIS...MOCANE AND TURPIN

LARGE HAIL...DAMAGING WINDS...AND HEAVY RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3698 10094 3651 10095 3652 10037 3699 10033

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 16, 3:15 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Jul 16, 3:15 PM CDT, 2 hours 50 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
315 PM CDT SUN JUL 16 2000

LATEST ANALYSIS SHOWS THAT THE WELL DEFINED COLD FRONT WAS ORIENTED
ALONG AND S OF A LINE EXTENDING FROM KLNK TO KHLC TO KLHX. THIS FRONT
HAS CONTINUED ITS SWD PUSH ALL DAY...HELPED IN PART BY OUTFLOW
BOUNDARY FROM TSTM COMPLEX. TEMPS IN 70S BEHIND IT AND 90S/100S AHEAD
OF IT. MOIST UPSLOPE LOW LVL FLOW SEEN UPSTREAM BEHIND THE COLD
FRONT. THE CHALLENGE WILL BE TIMING OF THE FRONTAL PASSAGE. EARLIER
TSTM CLUSTERS IN ERN CO AND NW KS/SRN NE MORE THAN LIKELY AIDED THE
SOUTHWARD PUSH TO THE FRONT. WITH MORE TSTMS EXPECTED TO FORM ALONG
AND BEHIND IT TNGT IN THE CNTRL PLAINS AND ERN CO...SEE NO REASON WHY
THE FRONT WILL NOT DROP INTO THE FCST AREA. SHORT RANGE MODELS HAVE
HAD A BAD HISTORY OF NOT HANDLING THESE SUMMER COLD FRONTS VERY WELL
AT ALL...AND THIS IS NO DOUBT THE CASE WITH THIS APCHG BOUNDARY.
HOWEVER...IT APPEARS THE ETA AND MESOETA ARE DOING THE BEST JOB
HANDLING IT...AND HAVE DECIDED TO GO WITH THOSE MODELS.

PLAN ON BRINGING FRONT INTO NWRN SECTIONS VERY LATE TNGT...THEN THRU
NRN HALF DURG MON MORNING...AND FINALLY THRU THE SRN HALF OF FCST
MON AFTN/EVENING. WOULD NOT BE SURPRISED AT ALL IF IT CAME THRU
QUICKER THAN ETA/MESO ETA SUGGESTS. BEST CHCS FOR TSTMS WILL BE ALONG
AND N OF FRONTAL BOUNDARY. THE COMBINATION OF ADEQUATE MOISTURE...
UPSLOPE FLOW...AND MINOR SHORTWAVE TROFS TRAVERSING PERIPHERY OF
UPPER RIDGE THRU SCNTRL PLAINS WARRANTS BOOSTING POPS A BIT WITH
HIGHEST VALUES NRN ZNS CLOSEST TO PROGGED VORT TRACKS.

PLAN ON KNOCKING MAX TEMPS DOWN A BIT FOR MON AND TUES DUE TO
EXPECTED FRONTAL PASSAGE...CLOUD COVER...AND PSBL PRECIP.
AT UPPER LEVELS...SHORT RANGE MODELS ARE IN GOOD AGREEMENT
MAINTAINING AN UPPER LEVEL RIDGE OVER SCNTRL PLAINS/SRN ROCKIES THRU
TUE...THEN SLOWLY RETROGRADING IT TO THE FOUR CORNERS/EASTERN GREAT
BASIN REGION DURING THE LATTER PART OF THE WEEK. THIS WOULD PUT
PNHDLS IN WNW TO NW FLOW ALOFT...FAVORABLE FOR STEERING STORMS OFF
THE MOUNTAINS TO OUR W AND NW. LONGER RANGE PROGS...ESPECIALLY ECMWF
...UKMET/NOGAPS/CANADIAN SUGGEST ANOTHER COLD FRONTAL PASSAGE AROUND
THU AFTN/EVENING. WILL GENERALLY RETAIN INTEGRITY OF EXTENDED WITH
SOME TWEEKS TO TEMPS. LATER SHIFTS MAY NEED TO CONSIDER GOING FROM
SLIGHT CHC TO CHC TSTMS IN EXTENDED IF FAVORABLE PATTERN CONTINUES TO
BE PROGGED. COORD WITH LBB. PRELIM VALUES FOLLOW.

DHT 66/89/64/89  4343
GUY 67/89/66/89  4343
AMA 68/93/67/90  2243

.AMA...
TX...NONE.
OK...NONE.

ANDRADE

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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; radar from the NEXRAD Level II archive.