Alert archive / Arizona / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 59, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 13, 1997, 4:31 PM MST for Gila County, Arizona. It was in force for 59 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
- Aug 13, 1997, 4:31 PM MST (23:31 UTC)
- Expired
- Aug 13, 1997, 5:30 PM MST
- In force
- 59 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 11.5 hours before the alert went out and 181 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
- 315 J/kg
- Mixed-layer CIN
- -172 J/kg
- Mixed-layer LCL
- 1854 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 132332 RRA SVRPHX AZC007-140030- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 431 PM MST WED AUG 13 1997 * SEVERE THUNDERSTORM WARNING FOR SOUTHERN GILA COUNTY IN CENTRAL ARIZONA * UNTIL 530 PM MST * SOME LOCATIONS AFFECTED HAYDEN WINKELMAN GLOBE/MIAMI SAN CARLOS CHRISTMAS HIGHWAY 77 HIGHWAY 70 * AT 430 PM MST PHOENIX DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER FAR SOUTHERN GILA COUNTY. MOVEMENT WAS TO THE NORTHWEST AT ABOUT 10 MPH. STRONG DAMAGING WINDS...FREQUENT LIGHTNING AND HEAVY RAIN ARE LIKELY WITH THIS STORM.
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.
In the hours before
Special weather statement, Aug 13, 3:00 PM MST, 1 hour 31 minutes before
AZZ020>025-CAZ030>033-140130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST/PDT WED AUG 13 1997 ...NO SEVERE THUNDERSTORMS EXPECTED IN THE OUTLOOK AREA THIS AFTERNOON AND TONIGHT... THE AIR MASS OVER MUCH OF SOUTHWEST ARIZONA AND FAR SOUTHEAST CALIFORNIA WAS SOMEWHAT DRIER AND MORE STABLE TODAY. AS A RESULT...SEVERE THUNDERSTORMS ARE NOT EXPECTED ACROSS THE OUTLOOK AREA. SCATTERED THUNDERSTORMS THOUGH...ARE FORECAST MAINLY FOR THE HIGHER ELEVATIONS OF FAR EASTERN MARICOPA COUNTY...SOUTHERN GILA COUNTY...AND FAR NORTHEAST PINAL COUNTY THROUGH THIS EVENING. A FEW OF THESE STORMS WILL CAUSE STRONG WINDS TO NEAR 45 MPH... SMALL HAIL...LOCALLY HEAVY RAINFALL AND DEADLY LIGHTNING. THERE IS ALSO A RISK OF A THUNDERTORM OR DUSTSTORM IN THE GREATER PHOENIX METRO AREA LATE THIS AFTERNON AND EVENING. THE MOST LIKELY TIME OF OCCURRENCE WOULD BE BETWEEN 600 AND 800 PM MST. .................................................................... THE OUTLOOK AREA INCLUDES THE FOLLOWING COUNTIES... IN ARIZONA IN CALIFORNIA MARICOPA YUMA IMPERIAL NORTHWEST PINAL LA PAZ CENTRAL AND EASTERN RIVERSIDE SOUTHERN GILA
Nearby
Severe Thunderstorm Warnings in Arizona, 1997Every severe thunderstorm warning in 1997
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.