Alert archive / Arizona / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 8, 1986, 7:00 PM MST for Maricopa County, Arizona. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Aug 8, 1986, 7:00 PM MST (02:00 UTC)
- Expired
- Aug 8, 1986, 8:00 PM MST
- In force
- 60 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 2.0 hours before the alert went out and 198 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
- 280 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 2467 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 8, 2:42 PM MST, 4 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST FRI AUG 8 1986 ...HEAVY THUNDERSTORM EAST OF PRESCOTT.. RADAR AND SATELLITE PICTURES INDICATE A VERY HEAVY THUNDERSTORM NEAR DEWEY 15 MILES EAST OF PRESCOTT. AN AUTOMATIC RAIN GAUGE 5 MILES EAST OF DEWEY HAS RECORDED NEARLY .30 OF AN INCH IN 30 MINUTES. THIS THUNDERSTORM HAS SHOWN LITTLE MOVEMENT OVER THE PAST HOUR AND LOCAL FLOODING IS POSSIBLE IN SMALL TRIBUTARIES RUNNING INTO THE AGUA FRIA RIVER. PERSONS IN THAT AREA SHOULD USE CAUTION. A LARGE LINE OF THUNDERSTORMS HAS DEVELOPED ALONG THE MOGOLLON RIM THIS AFTERNOON AND THEY ARE EXPECTED TO GRADUALLY DEVELOP TOWARD THE PHOENIX AREA LATE THIS AFTERNOON AND EVENING. LOCALLY HEAVY RAIN IS POSSIBLE FROM THESE THUNDERSTORMS AND PERSONS SHOULD BE ALERT TO HEAVY RAIN..DANGEROUS LIGHTNING AND DAMAGING WINDS. FURTHER STATEMENTS WILL BE ISSUED AS THESE THUNDERSTORMS DEVELOP. HOFFMANN
Special weather statement, Aug 8, 4:35 PM MST, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST FRI AUG 8 1986 ...THUNDERSTORMS MOVING OUT OF CENTRAL MOUNTAINS TOWARD DESERTS... RADAR AND SATELLITE PICTURES AT 4 PM SHOWED A BROKEN LINE OF MODERATE TO HEAVY THUNDERSTORMS EXTENDING FROM THE MOUNTAINS NORTHWEST OF PRESCOTT.. SOUTHEASTWARD TO GRAHAM COUNTY IN SOUTHEAST ARIZONA. THE INDIVIDUAL STORM CELLS WERE MOVING A LITTLE SOUTH OF DUE WEST AT ABOUT 10 TO 15 MPH. AROUND 430 PM.. SOME OF THE STRONGER CELLS WERE.. NEAR IRON SPRINGS WEST OF PRESCOTT.. OVER THE RIM NEAR STRAWBERRY.. IN THE TONTO BASIN NEAR JAKES CORNER.. OVER THE MOUNTAINS NORTH OF GLOBE AND EAST OF LAKE ROOSEVELT.. AND OVER THE WEST END OF MOUNT GRAHAM. ALL OF THESE STORMS CONTAINED MODERATE TO HEAVY RAIN AND PROBABLY SOME STRONG WINDS AS WELL. BOATERS AND SWIMMERS ON THE SALT.. VERDE LAKES SHOULD HEAD FOR SHORE IF THREATENING WEATHER APPROACHES. AT THE PRESENT RATE OF MOVEMENT.. THE LINE OBF THUNDERSTORMS SHOULD REACH THE NORTHERN AND EASTERN EDGES OF THE PHOENIX METRO AREA SOMETIME BETWEEN 7 AND 8 PM. EXPECT SOME GUSTY WINDS AND BLOWING DUST.. FOLLOWED BY A CHANCE FOR THUNDERSTORMS. TENHARKEL
Special weather statement, Aug 8, 6:10 PM MST, 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 600 PM MST FRI AUG 8 1986 ...STRONG THUNDERSTORMS NEAR PAYSON AND OVER THE SALT RIVER LAKES... AT 6 PM .. PHOENIX RADAR SPOTTED A STRONG THUNDERSTORM CENTERED ABOUT 10 MILES WEST OF PAYSON.. AND ANOTHER NEAR CANYON LAKE.. NORTH OF THE SUPERSTITION MOUNTAINS. AN OBSERVER AT PAYSON REPORTED INTENSE LIGHTNING AND HEAVY RAIN AT 6 PM. EARLIER.. SOME SMALL HAIL WAS REPORTED AT STRAWBERRY.. ABOUT 10 MILES NORTHWEST OF PAYSON. NO REPORTS WERE AVAILABLE FROM THE SALT RIVER LAKES.. BUT RADAR INDICATED THAT STORM WAS NOT QUITE AS STRONG AS THE ONE WEST OF PAYSON. BOTH STORMS ARE MOVING TOWARD THE WEST AND SOUTHWEST. THE PAYSON STORM COULD THREATEN THE VERDE LAKES.. BARTLETT AND HORSESHOE.. IN THE NEXT HOUR. BOATERS AND SWIMMERS SHOULD HEAD FOR SHORE AND FIND SHELTER. THESE THUNDERSTORMS ARE PART OF A LINE THAT HAS BEEN MOVING OFF THE MOUNTAINS TOWARD THE DESERTS. IT IS STILL EXPECTED TO BRING STRONG WINDS AND BLOWING DUST TO THE PHOENIX METRO AREA LATER THIS EVENING ..PROBABLY BETWEEN 7 AND 8 PM. AND OF COURSE THE DUST MAY BE FOLLOWED BY A THUNDERSTORM. TENHARKEL
Nearby
Severe Thunderstorm Warnings in Arizona, 1986Every severe thunderstorm warning in 1986
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.