Re: Particularly Dangerous Situation coming up for Memphis Area
Posted by JAC on 5/1/2010, 9:44 pm
| http://www.wmctv.com/ http://www.wreg.com/  URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 127 NWS STORM PREDICTION CENTER NORMAN OK 805 PM CDT SAT MAY 1 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF EAST CENTRAL AND NORTHEAST ARKANSAS THE MISSOURI BOOTHEEL NORTHERN MISSISSIPPI WESTERN TENNESSEE EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 805 PM UNTIL 400 AM CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF DYERSBURG TENNESSEE TO 35 MILES SOUTHWEST OF OXFORD MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...CONTINUE...WW 125...WW 126... DISCUSSION...DISCRETE SUPERCELLS NOW MOVING INTO ERN AR WILL PERSIST OVERNIGHT WHILE MOVING NEWD TOWARD NE AR...WRN TN...AND NW MS...IN ADVANCE OF AN EJECTING MIDLEVEL TROUGH AND SURFACE LOW. THE SUPERCELLS WILL MOVE INTO AN ENVIRONMENT OF STRONGER LOW-LEVEL SHEAR COMPARED TO FARTHER W IN AR...AND VERTICAL SHEAR WILL FURTHER INCREASE TONIGHT WITH A STRENGTHENING LLJ. MEANWHILE...THE LOW LEVELS ARE DESTABILIZING ACROSS MS/WRN TN IN THE WAKE OF EARLIER CONVECTION...SETTING THE STAGE FOR SURFACE-BASED STORMS WELL INTO THE NIGHT WITHIN A VERY MOIST AND STRONGLY SHEARED ENVIRONMENT. THE NET RESULT WILL BE THE POTENTIAL FOR SEVERAL LONG-TRACK SUPERCELLS CAPABLE OF PRODUCING STRONG TORNADOES. FARTHER E/SE INTO TN/NE MS...THE TORNADO THREAT WILL BE SOMEWHAT LESS THAN AREAS NEAR THE MS RIVER...THOUGH SUPERCELLS AND COUPLE OF TORNADOES WILL BE POSSIBLE AS CONVECTION FORMS ALONG THE RETREATING OUTFLOW BOUNDARY. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24040. ...THOMPSON |
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In this thread:
Another PDS Saturday - Strong Theta-E advecting from GOM - JAC, 5/1/2010, 10:33 am
- Particularly Dangerous Situation coming up for Memphis Area - JAC, 5/1/2010, 9:09 pm
- Wall cloud spotted and hook forming between West Memphis & Downtown - JAC, 5/1/2010, 11:39 pm
- Re: Wall cloud spotted and hook forming between West Memphis & Downtown - JAC, 5/1/2010, 11:40 pm
- Memphis Under-the-Gun. 50K-Ft Cell coming in from SW, Heavy Lightning - JAC, 5/1/2010, 10:44 pm
- Moving into Strengthening STP Bulls-Eye - JAC, 5/1/2010, 10:50 pm
- STP Ridge building in, cap breaking, huge theta-e concentration, 110 Knot Jet - JAC, 5/1/2010, 9:53 pm
- Wall cloud spotted and hook forming between West Memphis & Downtown - JAC, 5/1/2010, 11:39 pm
- SREF shows Max Significant Tornado Potential (STP) for SE AR this evening - JAC, 5/1/2010, 11:54 am
- Star City AR under the gun - JAC, 5/1/2010, 8:48 pm
- PDS is up - JAC, 5/1/2010, 5:16 pm
- MCS extending across TN should push south into MS, AL, GA later today - JAC, 5/1/2010, 11:10 am
- Significant Strengtheing this Afternoon - JAC, 5/1/2010, 12:34 pm
- Vincent Webb chasing into uncapped STP Ridge west of Jackson MS - JAC, 5/1/2010, 11:06 am
- High Tornado Risk Area - JAC, 5/1/2010, 11:12 am
- Terry Tyler near STP Bulls-Eye - JAC, 5/1/2010, 11:43 am
- Nesbit MS - JAC, 5/1/2010, 11:17 am
- Tyler Costantini near Memphis - JAC, 5/1/2010, 11:15 am
- High Tornado Risk Area - JAC, 5/1/2010, 11:12 am
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