Alert archive / Arizona / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 28, 1994, 6:47 PM MST for Pima County, Arizona. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1994, 6:47 PM MST (01:47 UTC)
- Expired
- Jun 28, 1994, 7:45 PM MST
- In force
- 58 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 1.8 hours before the alert went out and 84 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
- 760 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 4150 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KTUS 290148 SVRTWC AZC019-290245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING FOR HIGH WINDS NATIONAL WEATHER SERVICE TUCSON ARIZONA 647 PM MST TUE JUN 28 1994 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR HIGH WINDS EFFECTIVE UNTIL 745 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...EAST CENTRAL PIMA COUNTY ...SEVERE THUNDERSTORM WARNING FOR HIGH WIND IN NORTHEAST TUCSON... AT 644 PM MST, A WEATHER SPOTTER AT CAMINO SECO AND SPEEDWAY IN TUCSON REPORTED A WIND GUST TO 58 MPH. THUNDERSTORM ACTIVITY IN NORTHEAST TUCSON HAD INCREASED DRAMATICALLY SINCE 645 PM. THE ENTIRE TUCSON METRO AREA SHOULD PREPARE FOR DAMAGING THUNDERSTORM WIND, BRIEF HEAVY RAIN AND FREQUENT LIGHTNING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. CARTER t V ""
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, Jun 28, 2:38 PM MST, 4 hours 9 minutes before
AZZ009-010-282345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 238 PM MST TUE JUN 28 1994 ...THUNDERSTORM ACTIVITY HEATING UP IN SOUTHEAST ARIZONA... AT 235 PM MST WEATHER RADAR AND LIGHTNING DETECTORS INDICATED DEVELOPING THUNDERSTORMS IN SOUTHERN COCHISE AND EASTERN SANTA CRUZ COUNTIES. THE STRONGEST CELL WAS LOCATED ABOUT 5 MILES NORTHEAST OF DOUGLAS. MOVEMENT APPEARED TO BE TO THE WEST NEAR 10 MPH. EXPECT SCATTERED THUNDERSTORM DEVELOPMENT THROUGHOUT SOUTHEAST ARIZONA THE REMAINDER OF THE AFTERNOON AND EVENING. SOME OF THESE STORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS APPROACHING 50 MPH...FREQUENT LIGHTING AND LOCALLY HEAVY RAINS. KEEP AN EYE ON THE SKY THIS AFTERNOON AND STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL TV OR RADIO STATION FOR FURTHER INFORMATION. MEYER
Special weather statement, Jun 28, 2:39 PM MST, 4 hours 8 minutes before
AZZ009-010-282345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 238 PM MST TUE JUN 28 1994 ...THUNDERSTORM ACTIVITY HEATING UP IN SOUTHEAST ARIZONA... AT 235 PM MST WEATHER RADAR AND LIGHTNING DETECTORS INDICATED DEVELOPING THUNDERSTORMS IN SOUTHERN COCHISE AND EASTERN SANTA CRUZ COUNTIES. THE STRONGEST CELL WAS LOCATED ABOUT 5 MILES NORTHEAST OF DOUGLAS. MOVEMENT APPEARED TO BE TO THE WEST NEAR 10 MPH. EXPECT SCATTERED THUNDERSTORM DEVELOPMENT THROUGHOUT SOUTHEAST ARIZONA THE REMAINDER OF THE AFTERNOON AND EVENING. SOME OF THESE STORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS APPROACHING 50 MPH...FREQUENT LIGHTING AND LOCALLY HEAVY RAINS. KEEPT AN EYE ON THE SKY THIS AFTERNOON AND STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL TV OR RADIO STATION FOR FURTHER INFORMATION. MEYER
Special weather statement, Jun 28, 3:52 PM MST, 2 hours 55 minutes before
AZZ009-010-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 352 PM MST TUE JUN 28 1994 AT 350 PM MST WEATHER RADAR AND VISUAL OBSERVATIONS SHOWED THUNDERSTORM DEVELOPMENT CONTINUING IN COCHISE COUNTY...WITH MORE DEVELOPMENT FURTHER TO THE WEST IN SANTA CRUZ AND SOUTHEASTERN PIMA COUNTIES. THE STRONGEST STORMS WERE JUST EAST OF THE SANTA RITA MOUNTAINS NEAR THE PIMA AND SANTA CRUZ COUNTY LINE. CELL MOVEMENT CONTINUED SLOWLY TO THE WEST... ABOUT 5 TO 10 MPH. ONE OF THE CHARACTERISTICS OF THE STRONGER STORMS DEVELOPING THIS AFTERNOON IS THAT THEY ARE BUILDING VERY QUICKLY...AND NOT REMAINING AT PEAK STRENGTH FOR VERY LONG. AGAIN...SOME OF THESE STORMS WILL BE BE CAPABLE OF WINDS APPROACHING 50 MPH WITH BLOWING DUST DECREASING VISIBILITIES...AS WELL AS FREQUENT CLOUD TO GROUND LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE TV OR RADIO STATION FOR FURTHER DEVELOPMENTS. MEYER
Special weather statement, Jun 28, 3:57 PM MST, 2 hours 50 minutes before
AZZ009-010-290100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 352 PM MST TUE JUN 28 1994 AT 350 PM MST WEATHER RADAR AND VISUAL OBSERVATIONS SHOWED THUNDERSTORM DEVELOPMENT CONTINUING IN COCHISE COUNTY...WITH MORE DEVELOPMENT FURTHER TO THE WEST IN SANTA CRUZ AND SOUTHEASTERN PIMA COUNTIES. THE STRONGEST STORMS WERE JUST EAST OF THE SANTA RITA MOUNTAINS NEAR THE PIMA AND SANTA CRUZ COUNTY LINE. CELL MOVEMENT CONTINUED SLOWLY TO THE WEST... ABOUT 5 TO 10 MPH. ONE OF THE CHARACTERISTICS OF THE STRONGER STORMS DEVELOPING THIS AFTERNOON IS THAT THEY ARE BUILDING VERY QUICKLY...AND NOT REMAINING AT PEAK STRENGTH FOR VERY LONG. AGAIN...SOME OF THESE STORMS WILL BE BE CAPABLE OF WINDS APPROACHING 50 MPH WITH BLOWING DUST DECREASING VISIBILITIES...AS WELL AS FREQUENT CLOUD TO GROUND LIGHTNING. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE TV OR RADIO STATION FOR FURTHER DEVELOPMENTS. MEYER
Special weather statement, Jun 28, 6:30 PM MST, 17 minutes before
AZZ009-290330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 630 PM MST TUE JUN 28 1994 ...THUNDERSTORMS DEVELOPING IN EASTERN PIMA COUNTY, NEAR TUCSON... AT 615 PM, WEATHER RADAR AND LIGHTNING DETECTORS INDICATED STRONG THUNDERSTORM ACTIVITY IN EASTERN PIMA COUNTY ON THE PERIPHERY OF THE TUCSON METROPOLITAN AREA. EARLIER THUNDERSTORMS IN COCHISE AND SANTA CRUZ COUNTIES HAD ALL DIMINISHED. THUNDERSTORMS WERE LAST LOCATED NEAR REDINGTON PASS 10 MILES NORTHEAST OF TUCSON AND 20 MILES SOUTHWEST OF TUCSON NEAR THREE POINTS. THE STORMS WERE MAINLY STATIONARY AND EXHIBITED LIGHTNING, STRONG WIND AND POSSIBLY SOME SMALL HAIL. AT 625 PM, VISUAL OBSERVATIONS INDICATED ADDITIONAL THUNDERSTORM ACTIVITY BEGINNING TO DEVELOP JUST SOUTH OF THE TUCSON INTERNATIONAL AIRPORT. EXPECT THUNDERSTORMS TO CONTINUE TO DEVELOP TOWARD THE TUCSON VALLEY WITSTRONG GUSTY WIND, SOME RAIN SHOWERS, BLOWING DUST AND LIGHTNING ALONG WITH THEM UNTIL LATE NIGHT. CARTER
Special weather statement, Jun 28, 6:32 PM MST, 15 minutes before
AZZ009-290330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 630 PM MST TUE JUN 28 1994 ...THUNDERSTORMS DEVELOPING IN EASTERN PIMA COUNTY, NEAR TUCSON... AT 615 PM, WEATHER RADAR AND LIGHTNING DETECTORS INDICATED STRONG THUNDERSTORM ACTIVITY IN EASTERN PIMA COUNTY ON THE PERIPHERY OF THE TUCSON METROPOLITAN AREA. EARLIER THUNDERSTORMS IN COCHISE AND SANTA CRUZ COUNTIES HAD ALL DIMINISHED. THUNDERSTORMS WERE LAST LOCATED NEAR REDINGTON PASS 10 MILES NORTHEAST OF TUCSON AND 20 MILES SOUTHWEST OF TUCSON NEAR THREE POINTS. THE STORMS WERE MAINLY STATIONARY AND EXHIBITED LIGHTNING, STRONG WIND AND POSSIBLY SOME SMALL HAIL. AT 625 PM, VISUAL OBSERVATIONS INDICATED ADDITIONAL THUNDERSTORM ACTIVITY BEGINNING TO DEVELOP JUST SOUTH OF THE TUCSON INTERNATIONAL AIRPORT. EXPECT THUNDERSTORMS TO CONTINUE TO DEVELOP TOWARD THE TUCSON VALLEY WITSTRONG GUSTY WIND, SOME RAIN SHOWERS, BLOWING DUST AND LIGHTNING ALONG WITH THEM UNTIL LATE NIGHT. CARTER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:55 PM MST | Severe Thunderstorm Warning | TWC | Pima | 49 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 1994Every severe thunderstorm warning in 1994
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.