Alert archive / Tennessee / Special Weather Statements in 2016
Special Weather Statement, NWS Morristown, TN
NWS Morristown, TN issued this special weather statement at May 1, 2016, 3:39 PM EDT for Polk County, Tennessee. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 1, 2016, 3:39 PM EDT (19:39 UTC)
- Expired
- May 1, 2016, 4:30 PM EDT
- In force
- 51 min
- Issued by
- NWS Morristown, TN
County Polk County, TN
The radar
The Northeast Alabama radar (KHTX), 144 km from the middle of the area, began a volume at 19:41 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.7 hours before the alert went out and 204 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
- 447 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this special weather statement went out at May 1, 2:51 PM EDT, 48 minutes earlier.
Area forecast discussion, May 1, 2:51 PM EDT, 48 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 251 PM EDT SUN MAY 1 2016 .SHORT TERM...TONIGHT AND MONDAY...MOIST SOUTHWESTERLY FLOW PERSISTS OVER THE AREA FOR AT LEAST THE NEXT 24 HOURS. SHOWERS AND THUNDERSTORMS FIRING ACROSS W TN THIS AFTERNOON NEAR A FRONTAL BOUNDARY. SHOULD SEE SLOW EASTWARD MOVEMENT OVERNIGHT OF THE FRONT AND A FEW SHOWERS WITH ISOLATED THUNDER POSSIBLE FOR E TN...SW VA AND SW NC. MOST OF THE SHOWER ACTIVITY FROM THIS AFTERNOON WILL WANE IN THE LATE NIGHT HOURS. THE BULK OF RAINFALL FOR THE AREA WILL OCCUR MONDAY. TOMORROW THE FRONT WILL MEANDER INTO THE FORECAST AREA COMBINED WITH ABUNDANT MOISTURE AND INSTABILITY COULD PRODUCE SOME HEAVY RAINFALL. WE NEED THE RAINFALL JUST NOT ALL AT ONCE. PW VALUES FOR MONDAY WILL BE ABOVE 1 INCH TO NEAR 1.5 INCHES. DO NOT EXPECT ANY RIVER FLOODING ISSUES BUT THERE COULD BE A FEW ROADWAYS IMPACTED BY HEAVIER DOWNPOURS DURING THE DAY MONDAY. .LONG TERM...MONDAY NIGHT THROUGH SUNDAY... ANOTHER EVENING OF SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE MONDAY NIGHT AS A SHORTWAVE MOVES THROUGH THE AREA WHILE A FRONTAL BOUNDARY IS SITUATED NEAR US. RIGHT NOW MODELS ARE INDICATING THAT SOME PLACES WILL HAVE AROUND 1000 J/KG OF CAPE TO WORK WITH (WITH HIGHER AMOUNTS FURTHER TO THE SOUTH) AND SOME INCREASING SHEAR AS THE EVENING PROGRESSES. THE LARGE SCALE ASCENT AND HEATING, HOWEVER, LOOK RELATIVELY WEAK WHICH WILL LIKELY HINDER THE POTENTIAL FOR WIDESPREAD THUNDERSTORM DEVELOPMENT. WITH THAT BEING SAID...ANY STORMS THAT DO FORM IN OUR AREA COULD BE STRONG TO SEVERE WITH HAIL AND WIND BEING THE MAIN THREATS IN THE STRONGEST STORMS. THE FRONTAL BOUNDARY MOVES OFF TO OUR EAST AND TAKES WITH IT MOST OF THE RAIN CHANCES. WE WILL CONTINUE TO SEE SOME LINGERING RAINFALL CHANCES BEHIND THIS SYSTEM, BUT THE WILL BE MORE SPORADIC WITH LIGHTER RAINFALL AMOUNTS. TEMPERATURES WILL DROP BEHIND THIS FIRST FRONT AND BE BELOW NORMAL STARTING TUESDAY AND REMAIN BELOW NORMAL THROUGH THE REMAINDER OF THE WORK WEEK. MODELS ARE COMING INTO BETTER AGREEMENT WITH OUR NEXT SYSTEM...THEY GENERALLY DEPICT A SECOND COLD FRONT MOVING THROUGH WEDNESDAY/THURSDAY AND AN UPPER LEVEL LOW MOVING IN FROM THE GREAT LAKES TOWARDS THE SOUTHEAST AND OFF INTO THE ATLANTIC BEFORE HEADING BACK NORTH. ANOTHER ROUND OF PRECIPITATION LOOKS LIKELY WITH THIS SECONDARY FRONT, BUT CURRENT MODEL OUTPUT SUGGEST THAT MOISTURE WILL MUCH MORE LIMITED LEADING TO ONLY CHANCE RAINFALL AND LIGHTER QPF AMOUNTS. BEHIND THIS SECONDARY FRONT TEMPERATURES WILL CONTINUE TO FALL WITH WEDNESDAY NIGHT THROUGH THURSDAY NIGHTED SLATED TO BE THE COLDEST TEMPERATURES OF THIS FORECAST. WITH THE VERY COLD TEMPERATURES AND MOISTURE ALONG THE FRONT, WE CAN'T RULE OUT THE SMALL CHANCE TO SEE SOME VERY LIGHT SNOW IN THE TOPS OF THE MOUNTAINS WEDNESDAY NIGHT/THURSDAY NIGHT... WILL LEAVE MENTION OF IT OUT OF THE FORECAST FOR NOW AS PRECIPITATION CHANCES ARE PRETTY LOW AND TEMPERATURES ARE ONLY FLIRTING WITH BELOW FREEZING. AFTER THE FRONT HAS MOVED THROUGH AND THE UPPER LEVEL LOW HAS MOVED OFF TO OUR EAST A RIDGE WILL MOVE IN FROM THE WEST ALLOWING US TO QUICKLY WARM UP. CURRENT FORECAST HAS THE AREA GETTING BACK TO AROUND NORMAL TEMPERATURES ON SATURDAY AND MANY PLACES REACHING 80 DEGREES BY SUNDAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 63 78 60 72 / 50 80 70 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 63 75 58 71 / 50 70 70 40 OAK RIDGE, TN 63 74 59 70 / 50 80 60 30 TRI CITIES AIRPORT, TN 59 74 57 70 / 50 70 70 40 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && AC/ABM
Hazardous weather outlook, May 1, 3:04 PM EDT, 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 304 PM EDT SUN MAY 1 2016 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-021915- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 304 PM EDT SUN MAY 1 2016 /204 PM CDT SUN MAY 1 2016/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... A FEW ISOLATED STRONG STORMS COULD PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING...HEAVY RAIN...AND SMALL HAIL THIS AFTERNOON AND EARLY EVENING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... ...STRONG THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL IS EXPECTED MONDAY...ESPECIALLY DURING THE AFTERNOON AND EVENING... SOME STORMS ON MONDAY AFTERNOON COULD BE STRONG PRODUCING GUSTY WINDS...SOME HAIL...FREQUENT LIGHTNING...AND HEAVY RAINS. LOCALIZED FLASH FLOODING WILL BE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED MONDAY AFTERNOON AND EVENING.
In the hours before
Special weather statement, May 1, 3:04 PM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 304 PM EDT SUN MAY 1 2016 TNZ100>102-011945- BRADLEY TN-WEST POLK TN-EAST POLK TN- 304 PM EDT SUN MAY 1 2016 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN POLK AND SOUTHEASTERN BRADLEY COUNTIES UNTIL 345 PM EDT... AT 303 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER WILDWOOD LAKE...OR 7 MILES SOUTH OF CLEVELAND...MOVING EAST AT 25 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... CLEVELAND...BENTON...EAST CLEVELAND...WILDWOOD LAKE...SOUTH CLEVELAND... PARKSVILLE...BIG FROG MOUNTAIN...GAP SPRINGS...CONASAUGA AND WATERVILLE. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. LAT...LON 3499 8489 3514 8493 3525 8465 3499 8450 TIME...MOT...LOC 1903Z 258DEG 22KT 3507 8482 JW
Special weather statement, May 1, 3:39 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 12:51 AM EDT | Special Weather Statement | MRX | McMinn, Meigs | 39 min |
| May 1, 2:13 AM EDT | Special Weather Statement | MRX | Knox, Loudon | 47 min |
| May 1, 5:35 AM EDT | Areal Flood Advisory | MRX | Scott | 115 min |
| May 1, 3:04 PM EDT | Special Weather Statement | MRX | Bradley | 41 min |
| May 1, 7:45 PM EDT | Special Weather Statement | MRX | Blount | 45 min |
| May 1, 7:34 AM EDT | Special Weather Statement | MRX | Russell | 26 min |
| May 1, 7:55 PM EDT | Severe Thunderstorm Warning | MRX | Wise | 35 min |
Nearby
Special Weather Statements in Tennessee, 2016Every special weather statement in 2016
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; radar from the NEXRAD Level II archive.