Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 35, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 21, 1995, 3:55 PM MST for Pima County, Arizona. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1995, 3:55 PM MST (22:55 UTC)
- Expired
- Aug 21, 1995, 5:00 PM MST
- In force
- 65 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 10.9 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
- 529 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1085 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 54 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 KTUS 212254 SVRTUS AZC019-220000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 355 PM MST MON AUG 21 1995 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...NORTHEASTERN PIMA COUNTY AT 355 PM...TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF MARANA. MOVEMENT OF THIS STORM WAS NORTH AT 15 TO 20 MPH. INDIVIDAULS TAVELING ALONG I-10 AND NEAR MARANA AND RILLITO WILL BE AFFECTED BY THIS STORM. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 57 MPH...DESTRUCTIVE HAIL..L.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. MCCOLLUM
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 Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 21, 12:58 PM MST, 2 hours 57 minutes earlier.
Area forecast discussion, Aug 21, 12:58 PM MST, 2 hours 57 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 110 PM MST MON AUG 21 1995 88D SHOWING TSTMS STARTING TO DEVELOP ATTM. STRONGEST ONE NEAR WILLCOX. SOUNDING MODIFIED FOR CURRENT TEMP/DEW POINT SHOWS CAPE AROUND 1000 AND LI OF -4. YESTERDAY AT THIS TIME CAPE WAS AROUND 500-600 WIT LI OF -2 SO POTENTIAL FOR SVR TSTMS BETTER TDA. MRNG MDLS TRY TO DRY US OUT SOME TUE BUT DO NOT SEE WHERE THIS DRIER AIR IS COMING FROM. RAOB DATA/SAT PICTURES SHOW PLENTY OF MSTR UPSTREAM IN NRN MEX SO THINK PERSISTANCE BEST FCST. HGTS DO GO UP SOME SO MAX TEMPS UP A FEW DEGREES BUT 100 FCST ON NGM MOS A LTL OVERDONE. EXTENDED CHARTS KEEP MONSOON PATTERN GOING. TUS 635. COLLINS .TWC...NfONE.
In the hours before
Special weather statement, Aug 21, 12:36 PM MST, 3 hours 19 minutes before
AZZ010-192130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1236 PM MST MON AUG 21 1995 ...STRONG THUNDERSTORMS IN COCHISE COUNTY THIS AFTERNOON... AT 1235 PM...TUCSON DOPPLER WEATHER RADAR AND LIGHTNING DETECTION EQUIPMENT INDICATED A STRONG THUNDERSTORM 11 MILES SOUTHEAST OF WILLCOX. THIS STORM WAS MOVING TO THE NORTH AT 10 TO 15 MPH. ANOTHER THUNDERSTORM WAS LOCATED IN MEXICO SOUTH WEST OF BISBEE. THIS STORM WAS MOVING NORTH-NORTHWESTWARD...AND MAY MOVE INTO SOUTHWEST COCHISE COUNTY BY 130 PM. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS PORTIONS OF SOUTHEAST ARIZONA THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCE BRIEF HEAVU RAIN...STRONG GUSTY WINDS AND LIGHTNING.
Special weather statement, Aug 21, 12:38 PM MST, 3 hours 17 minutes before
AZZ010-192130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1236 PM MST MON AUG 21 1995 ...STRONG THUNDERSTORMS IN COCHISE COUNTY THIS AFTERNOON... AT 1235 PM...TUCSON DOPPLER WEATHER RADAR AND LIGHTNING DETECTION EQUIPMENT INDICATED A STRONG THUNDERSTORM 11 MILES SOUTHEAST OF WILLCOX. THIS STORM WAS MOVING TO THE NORTH AT 10 TO 15 MPH. ANOTHER THUNDERSTORM WAS LOCATED IN MEXICO SOUTH WEST OF BISBEE. THIS STORM WAS MOVING NORTH-NORTHWESTWARD...AND MAY MOVE INTO SOUTHWEST COCHISE COUNTY BY 130 PM. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS PORTIONS OF SOUTHEAST ARIZONA THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS ARE CAPABLE OF PROJDUCE BRIEF HEAVU RAIN...STRONG GUSTY WINDS AND LIGHTNING.
Special weather statement, Aug 21, 12:41 PM MST, 3 hours 14 minutes before
AZZ010-212130- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE TUCSON ARIZONA 1236 PM MST MON AUG 21 1995 ...STRONG THUNDERSTORMS IN COCHISE COUNTY THIS AFTERNOON... AT 1235 PM...TUCSON DOPPLER WEATHER RADAR AND LIGHTNING DETECTION EQUIPMENT INDICATED A STRONG THUNDERSTORM 11 MILES SOUTHEAST OF WILLCOX. THIS STORM WAS MOVING TO THE NORTH AT 10 TO 15 MPH. ANOTHER THUNDERSTORM WAS LOCATED IN MEXICO SOUTH WEST OF BISBEE. THIS STORM WAS MOVING NORTH-NORTHWESTWARD...AND MAY MOVE INTO SOUTHWEST COCHISE COUNTY BY 130 PM. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS PORTIONS OF SOUTHEAST ARIZONA THIS AFTERNOON AND EVENING. THESE THUNDERSTORMS ARE CAPABLE OF PRODUNCE BRIEF HEAVU RAIN...STRONG GUSTY WINDS AND LIGHTNING.
Special weather statement, Aug 21, 1:35 PM MST, 2 hours 20 minutes before
AZZ010-212230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 135 PM MST MON AUG 21 1995 ...STRONG THUNDERSTORMS OVER SOUTHEAST ARIZONA THIS AFTERNOON... AT 130 PM...TUCSON DOPPLER RADAR AND LIGHTNING DETECTION EQUIPMENT CONTINUED TO SHOW DEVELOPING THUNDERSTORMS ACROSS PORTIONS OF COCHISE...EASTERN PIMA AND SANTA CRUZ COUNTIES. THE STRONGEST AND MOST PERSISTENT STORM WAS LOCATED 10 MILES SOUTHEAST OF WILLCOX IN COCHISE COUNTY. THIS STORM HAS REMAINED NEARLY STATIONARY DURING THE PAST HOUR. OTHER STORMS WERE FORMING IN EASTERN PIMA COUNTY NEAR ARIVACA JUNCTION AND GREEN VALLEY AS WELL AS IN SANTA CRUZ COUNTY NEAR SONOITA. SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS PORTIONS OF SOUTHEAST ARIZONA THIS AFTERNOON AND EVENING. THUNDERSTORMS TODAY WILL BE CAPABLE OF PRODUCING HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTNING. THE GROUND HAS BECOME VERY MOIST DURING THE LAST WEEK OF THE MONSOON SO DANGEROUS RUNOFF FROM NEARBY THUNDERSTORMS IS POSSIBLE. INDIVIDUALS WHO MUST GO OUT TODAY SHOULD TAKE PRECAUTIONS. MCCOLLUM
Special weather statement, Aug 21, 2:32 PM MST, 1 hour 23 minutes before
AZZ009-010-212330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 135 PM MST MON AUG 21 1995 ...STRONG THUNDERSTORMS OVER SOUTHEAST ARIZONA THIS AFTERNOON... AT 230 PM...TUCSON DOPPLER RADAR AND LIGHTNING DETECTION EQUIPMENT CONTINUED TO SHOW THUNDERSTORMS ACROSS PORTIONS OF COCHISE...EASTERN PIMA AND SANTA CRUZ COUNTIES. THE MAIN AREA OF THUNDERSTORM ACTIVITY WAS OVER EASTERN PIMA COUNTY WHERE NUMEROUS THUNDERSTORMS HAVE DEVELOPED OVER THE PAST HOUR. OTHER STORMS WERE DEVELOPING OVER CENTRAL SANTA CRUZ AND NORTHERN COCHISE COUNTIES. MOVEMENT OF CELLS HAS BEEN TO THE NORTH AT 10 TO 15 MPH. THE ATMOSPHERE IS MOIST AND UNSTABLE SO MORE STORMS ARE ANTICIPATED. THUNDERSTORMS TODAY WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS AND FREQUENT LIGHTNING. THE GROUND HAS BECOME VERY MOIST DURING THE LAST WEEK OF THE MONSOON SO DANGEROUS RUNOFF FROM NEARBY THUNDERSTORMS IS POSSIBLE. INDIVIDUALS WHO MUST GO OUT TODAY SHOULD TAKE PRECAUTIONS. MCCOLLUM
Nearby
Severe Thunderstorm Warnings in Arizona, 1995Every severe thunderstorm warning in 1995
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.