Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 156, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jul 17, 2000, 8:45 PM CDT for Dallam County, Texas. 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 17, 2000, 8:45 PM CDT (01:45 UTC)
- Expired
- Jul 17, 2000, 9:45 PM CDT
- In force
- 60 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
County Dallam County, TX
The radar
The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 01:47 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
Amarillo Airport, TX (KAMA), launched 00:00Z, 1.8 hours before the alert went out and 142 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
- 769 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2681 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KAMA 180147 SVRAMA TXC111-180245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AMARILLO TX 845 PM CDT MON JUL 17 2000 THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUE
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 17, 2:59 PM CDT, 5 hours 46 minutes earlier.
Area forecast discussion, Jul 17, 2:59 PM CDT, 5 hours 46 minutes before
TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION NATIONAL WEATHER SERVICE AMARILLO TX 259 PM CDT MON JUL 17 2000 OUTFLOW BOUNDARY ATTM RUNNING FM NW OK SE ACROSS FA S OF KDHT. SATL INDICATING CU HAVING DIFFICULT TIME FORMING SUGGESTING CAP STILL A FACTOR WITH COOLER TEMPS N OF BOUNDARY AND SLIGHTLY DRIER AIR TO S. CONVECTION OVER MTNS HOWEVER BECOMING ORGANIZED AND MAY BE MAIN STORY FOR TONIGHT. SHRTWV TROUGH PROGD BY MODELS TO MOVE E FM ERN CO BRUSHING NRN ZNS OVERNIGHT. LLJ OF 30 TO 35 KT ALSO EXPECTED TO DEVELOP FOCUSING BEST CHC PRECIP ALONG STALLED SFC/H8 BOUNDARY ACROSS NRN ZNS. MID LEVEL WINDS ALSO EXPECTED TO INCREASE TO N SO ANY ORGANIZED SVR ACTIVITY SHOULD BE CONFINED VCNTY OK PNHDL. DIFFUSE SFC BOUNDARY MAY BE PUSHED S AGAIN OVERNIGHT AS CONVECTION DEVELOPS ALONG AND N OF IT...HOWEVER EXPECT IT TO RETREAT N AGAIN ON TUE. IF LOW CLOUDS AGAIN DEVELOP N OF BOUNDARY THEN THIS IN JEOPARDY AND FCST TEMPS MAY BE TOO WARM ESP OK PNHDL. WILL KEEP SLIGHT CHC/CHC POPS TUE NIGHT AND WED NIGHT AS H7/H8 MOISTURE REMAINS IN PLACE AND ENERGY ROTATES AROUND BROAD UPPER HIGH CENTERED TO S OF FA. TEMPS LIKELY TO BE SIMILAR AGAIN WED WITH SE ZNS TOPPING 100 AGAIN. WEAK SFC TROUGH/OUTFLOW BOUNDARIES MEANDERING ACROSS AREA LIKELY TO PROVIDE SUFFICIENT LLVL CONVERGENCE. IN EXTENDED... UPPER RIDGE FCST TO BUILD BACK W AS ERN U.S. TROUGH DEEPENS. THIS WILL PLACE PNHDLS IN INCREASED NW FLOW ALOFT. MED RA]NGE MODELS AGREE ON BRINGING CDFNT S INTO WRN KS ON THU AND ACROSS AREA FRI. UPSLOPE FLOW BEHIND FNT WILL AID CONVECTION THROUGH SAT PLUS KEEP TEMPS DOWN. .AMA... TX...NONE. OK...NONE. COBB
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:53 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 52 min |
| Jul 17, 8:33 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 42 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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.