Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >
Supercell thunderstorms developed during the afternoon and evening of March 18th over the southern Texas panhandle and moved into southwestern Oklahoma, with large hail and four tornadoes reported by early evening. The first thunderstorms moved into western portions of north Texas and quickly strengthened to severe levels. Large hail was reported as they moved northeast into southwestern Oklahoma.
As the storms moved into Greer County, the supercells developed strong low level rotation due to the high amounts of low-level wind shear. Four tornadoes developed over Greer and far southeast Beckham counties, but remained over open land and caused no known damage. Other storms developed during the evening hours, but the threat had transitioned to heavy rainfall, large hail, and damaging winds.
| Tornado Number |
Date | Time (CST) |
Length of Path (miles) |
Width of Path (yards) |
F-Scale | Killed | Injured | County | Location |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 03/18/2012 | 1750-1804 | 4 | 150 | EF0 | 0 | 0 | Greer | 2 E - 5 NE Reed |
| 2 | 03/18/2012 | 1810 | 0.1 | 50 | EF0 | 0 | 0 | Greer | 3 WSW Brinkman |
| 3 | 03/18/2012 | 1827-1830 | 1.4 | 75 | EF0 | 0 | 0 | Greer | 3 NW Willow |
| 4 | 03/18/2012 | 1837-1842 | 1.0 | 75 | EF0 | 0 | 0 | Beckham | 5 NNW Willow |
Here is the summary of the storm reports that we received at our office from this event.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
515 PM CDT SUN MAR 18 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0510 PM HAIL 14 SW CROWELL 33.83N 99.91W
03/18/2012 E1.25 INCH FOARD TX PUBLIC
0515 PM HAIL 2 W HOLLIS 34.69N 99.95W
03/18/2012 E1.75 INCH HARMON OK PUBLIC
DAMAGED WINDSHIELD...RELAYED BY NWS AMA
0517 PM HAIL 1 N HOLLIS 34.70N 99.92W
03/18/2012 E1.00 INCH HARMON OK TRAINED SPOTTER
0518 PM HAIL 3 W HOLLIS 34.70N 99.92W
03/18/2012 E1.00 INCH HARMON OK TRAINED SPOTTER
ON HIGHWAY 62
0520 PM HAIL 1 W HOLLIS 34.69N 99.93W
03/18/2012 E1.75 INCH HARMON OK AMATEUR RADIO
0535 PM HAIL 4 W HOLLIS 34.69N 99.99W
03/18/2012 E2.50 INCH HARMON OK AMATEUR RADIO
NEAR OK TX BORDER
0613 PM HAIL 1 W VINSON 34.90N 99.89W
03/18/2012 E1.75 INCH HARMON OK TRAINED SPOTTER
3 ESE OF SANDY OK
0625 PM HAIL 3 W TRUSCOTT 33.75N 99.85W
03/18/2012 E1.00 INCH KNOX TX CO-OP OBSERVER
0635 PM HAIL 7 S CHILLICOTHE 34.15N 99.51W
03/18/2012 E0.88 INCH HARDEMAN TX TRAINED SPOTTER
0644 PM HAIL 2 W REED 34.90N 99.72W
03/18/2012 E2.00 INCH GREER OK TRAINED SPOTTER
0650 PM TORNADO 10 W MANGUM 34.88N 99.68W
03/18/2012 EF0 GREER OK STORM CHASER
TIME AND LOCATION APPROXIMATE
0710 PM TORNADO 3 WSW BRINKMAN 34.96N 99.60W
03/18/2012 EF0 GREER OK STORM CHASER
TIME AND LOCATION APPROXIMATE
0727 PM TORNADO 3 WNW WILLOW 35.07N 99.56W
03/18/2012 EFO GREER OK STORM CHASER
TIME AND LOCATION APPROXIMATE
0728 PM HAIL 3 NW WILLOW 35.21N 99.70W
03/18/2012 E1.50 INCH BECKHAM OK STORM CHASER
0737 PM TORNADO 5 NW WILLOW 35.10N 99.57W
03/18/2012 EF0 GREER OK STORM CHASER
TIME AND LOCATION APPROXIMATE
1109 PM TSTM WND GST 2 SW GAGE 36.30N 99.78W
03/18/2012 M58 MPH ELLIS OK ASOS
GAG ASOS
0300 AM TSTM WND GST 4 ESE ERICK 35.19N 99.80W
03/19/2012 M60 MPH BECKHAM OK MESONET
0325 AM TSTM WND GST 2 WSW WOODWARD 36.42N 99.42W
03/19/2012 M58 MPH WOODWARD OK MESONET
&&
$$
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